Heating/vent/air-conditioning and refrig (hvac/r) contractors — page 2 of 3
695 active registrations, specialty “Heating/vent/air-conditioning and refrig (hvac/r)” as L&I records it.
| Place | Contractor | License | Specialty | Expires |
|---|---|---|---|---|
| Wenatchee, WA | GC PWR CO LLC | GCPWRPC763D8 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 28, 2028 |
| Bonney Lake, WA | GENESIS HVAC PERFORMANCE LLC | GENESHP804BL | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 28, 2028 |
| Monroe, WA | GENESIS RFRG & HVAC LLC | GENESRH862OP | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2028 |
| Duvall, WA | GEORGE GAS PIPING LLC | GEORGGP849JQ | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 18, 2028 |
| Milton, WA | GFR HEATING & COOLING LLC | GFRHEHC951CM | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 14, 2027 |
| Allyn, WA | GINTZ HEATING & AIR LLC | GINTZHA8287C | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2028 |
| Sumas, WA | GLACIER PACIFIC LLC | GLACIPL858KO | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 16, 2028 |
| Eatonville, WA | GLACIER PEAK MECHANICAL LLC | GLACIPM756QQ | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 18, 2027 |
| Seattle, WA | GO GREEN HEATING AC & ELEC LLC | GOGREGH752DL | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 1, 2027 |
| Wilsonville, OR | GOHMAN MECHANICAL INC | GOHMAMI015DW | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 11, 2027 |
| Port Orchard, WA | GOLD MOUNTAIN AIR | GOLDMMA814N7 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 1, 2027 |
| Seattle, WA | GREAT SUN CORP | GREATSC951D1 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 5, 2027 |
| Umatilla, OR | GREATER PURPOSE HTNG &CLNG LLC | GREATPH788C4 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 15, 2028 |
| Issaquah, WA | GREEN BEAR SOLUTIONS LLC | GREENBS872M4 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 26, 2028 |
| Seabeck, WA | GREEN MOUNTAIN MECHANICAL LLC | GREENMM842NH | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 20, 2028 |
| Tacoma, WA | GREENFLOW HEATING & COOLING | GREENHC754B2 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 3, 2027 |
| Spokane, WA | H&A HEATING & AIR CNDTNING LLC | HHEATHA781CJ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 17, 2028 |
| Kent, WA | H&C MECHANICAL INC | HCMECMI760BJ | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 11, 2028 |
| Enumclaw, WA | HAAS HEATING LLC | HAASHHL945DN | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 22, 2028 |
| Buckley, WA | HAGEN INDUSTRIAL REFRIG LLC | HAGENIR897BM | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 14, 2027 |
| Spanaway, WA | HALES HEATING & A/C LLC | HALESHA784CW | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 16, 2028 |
| Spokane, WA | HALO HEATING & AIR INC | HALOHHA921NO | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 28, 2028 |
| Toledo, WA | HAMMERSTROM HTG & COOLING LLC | HAMMEHC742DK | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2028 |
| Lakebay, WA | HARBOR AIR NW LLC | HARBOAN760OL | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 13, 2028 |
| Aberdeen, WA | HARBOR REFRIGERATION | HARBOR*900MB | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 17, 2026 |
| Camas, WA | HARD PIPE LLC | HARDPPL743NO | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 20, 2028 |
| Portland, OR | HEAT PUMP STORE, THE | HEATPPS892DB | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 10, 2027 |
| Spokane Valley, WA | HEATCO LLC | HEATCL*773P3 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 23, 2027 |
| Stanwood, WA | HEATCOOLX SYSTEMS LLC | HEATCSL754OP | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 17, 2027 |
| Vancouver, WA | HEISENBERG LLC | HEISEL*746OC | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 3, 2028 |
| Maitland, FL | HELIOS HVACR SERVICES LLC | HELIOHS757DK | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 25, 2027 |
| Bothell, WA | HELLO REFRIGERATION LLC | HELLORL781NS | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 15, 2028 |
| Veradale, WA | HERLIN HEATING LLC | HERLIHL810KO | Heating/vent/air-conditioning and refrig (hvac/r) | May 20, 2027 |
| Pasco, WA | HIGH PRFM HTG & COOLING LLC | HIGHPPH787PP | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 17, 2028 |
| Puyallup, WA | HILL COMFORT SYSTEMS | HILLCCS841J5 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 24, 2028 |
| Yakima, WA | HOMETOWN MECHANICAL SERVS LLC | HOMETMS746B9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 29, 2028 |
| Pasco, WA | HONEST AIR | HONESA*801P1 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 15, 2026 |
| Pasco, WA | HORST INC | HORSTI*006NM | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 9, 2028 |
| Bonney Lake, WA | HOUSE OF HEAT INC | HOUSEH*197BF | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 11, 2028 |
| Portland, OR | HUNTER-DAVISSON INC | HUNTED*332B3 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 9, 2027 |
| Bothell, WA | HUSKY MECHANICAL LLC | HUSKYML760RZ | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 12, 2026 |
| Milwaukie, OR | HVAC INC | HVACI**125J6 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 4, 2027 |
| Spokane, WA | HVAC PRIVATE LLC | HVACPPL754J3 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 23, 2027 |
| Roy, WA | HVAC SOLUTIONS NW INC | HVACSSN781N9 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 30, 2028 |
| Cornelius, OR | HYBRID HEATING/AIR CONDTNG CO | HYBRIHC907DZ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 9, 2028 |
| Rainier, WA | ICEBERG MECHANICAL SERVS LLC | ICEBEMS749C3 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 23, 2028 |
| Federal Way, WA | IDB HVAC | IDBHVH*754BU | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 31, 2027 |
| Benton City, WA | ILINAIR LLC | ILINAL*764NB | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 10, 2028 |
| Vancouver, WA | IMPACT HEATING & COOLING LLC | IMPACHC955MM | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 31, 2027 |
| Vancouver, WA | IMPERIAL HEATING & COOLING LLC | IMPERHC750MN | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 15, 2027 |
| Lewiston, ID | IN LIKE FLYNN HVAC LLC | LIKEFLF775PK | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 12, 2027 |
| Vancouver, WA | INDEPENDENT HEATNG&COOLING LLC | INDEPHL913JA | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 3, 2027 |
| Graham, WA | INFINITY HEATING & AIR LLC | INFINHA841B8 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 7, 2028 |
| Battle Ground, WA | INLINE SERVICES LLC | INLINSL768KG | Heating/vent/air-conditioning and refrig (hvac/r) | May 14, 2028 |
| Lyndhurst, VA | INNOVATIVE REFRIGTN SYSTMS INC | INNOVRS903B7 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 16, 2028 |
| Milton, WA | Innovative Thermal Solutns Inc | INNOVTS875LK | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 12, 2027 |
| Portland, OR | INTEGRITY AIR LLC | INTEGAL862O9 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 4, 2026 |
| Auburn, WA | INTEGRITY COMFORT SLTNS LLC | INTEGCS766K1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 23, 2028 |
| Spokane, WA | INTEGRITY HVAC LLC | INTEGHL763RR | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 19, 2026 |
| Kennewick, WA | INTEGRITY THREE HTNG & A/C LLC | INTEGTH897KU | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 13, 2027 |
| Riverton, UT | INTERMOUNTAIN TEMPRTUR SOL LLC | INTERTS779O5 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 24, 2027 |
| Oregon City, OR | IRONSIDE SERVICES LLC | IRONSSL789D8 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 30, 2028 |
| Freeland, WA | ISLAND DUCTLESS SOLUTIONS LLC | ISLANDS892ND | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 12, 2027 |
| Friday Harbor, WA | ISLAND HEATING & MECHANICAL | ISLANHM815K4 | Heating/vent/air-conditioning and refrig (hvac/r) | May 25, 2027 |
| Snohomish, WA | J & Y Cooling | JYCOOYC884PK | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 12, 2026 |
| Gig Harbor, WA | J MAC MECHANICAL | JMACMMM774BP | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 18, 2027 |
| Greenacres, WA | J&J ELECTRICAL INC | JJELEEI754DR | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 28, 2027 |
| Wauna, WA | JACK FROST CO | JACKFFC817PC | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 25, 2027 |
| Wenatchee, WA | JACOB'S HVAC/R LLC | JACOBHL867JS | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 21, 2028 |
| Portland, OR | JACOBS HEATING & AIR COND INC | JACOBHA192LA | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 17, 2028 |
| Amboy, WA | JD MECHANICAL LLC | JDMECML790C3 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 17, 2027 |
| Bremerton, WA | JET HEATING AND COOLING | JETHEHC801BH | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 14, 2028 |
| Chimacum, WA | JET PLUMBING & HEATING LLC | JETPLPH772DF | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 9, 2027 |
| North Logan, UT | JM MECHANICAL LLC | JMMECML954BU | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 26, 2027 |
| Seattle, WA | JOANIS MECHANICAL LLC | JOANIML891D3 | Heating/vent/air-conditioning and refrig (hvac/r) | May 1, 2027 |
| Boca Raton, FL | Johnson Controls Bldg Sol LLC | JOHNSCB758PB | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 10, 2028 |
| Prosser, WA | JR'S HEATING & AIR SRVCS LLC | JRSHEHA853KH | Heating/vent/air-conditioning and refrig (hvac/r) | May 20, 2027 |
| Portland, OR | JS3 | JS3****784KC | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 21, 2028 |
| Federal Way, WA | K & D MECHANICAL INC | KDMECI*008CJ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 21, 2028 |
| Albuquerque, NM | KASSAM MECHANICAL LLC | KASSAML741D7 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 30, 2028 |
| Tacoma, WA | KB MECHANICAL LLC | KBMECML755PC | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2027 |
| Spokane, WA | KELLER HEATING INC | KELLEHI010J6 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2027 |
| Caldwell, ID | KEMPER NORTHWEST INC | KEMPENI874P1 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 21, 2027 |
| Snoqualmie, WA | KIMBALL MECHANICAL | KIMBAM*946M1 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 5, 2028 |
| Lewiston, ID | KINZER AIR LLC | KINZEAL916RN | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 6, 2027 |
| Moscow, ID | KJH ENGINEERING PLLC | KJHENEP805MW | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 16, 2028 |
| Clackamas, OR | KLEENAIR PRODUCTS CO | KLEENPC912KQ | Heating/vent/air-conditioning and refrig (hvac/r) | May 18, 2027 |
| Gig Harbor, WA | KOHLER HEATING & A/C INC | KOHLEHA950O1 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 5, 2027 |
| Vancouver, WA | KOMBI'S HEATING & COOLING | KOMBIHC754LP | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 17, 2027 |
| Puyallup, WA | KOOL-IT MECHANICAL LLC | KOOLIML793QK | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 29, 2027 |
| Vancouver, WA | KOOL-TECH HAC INC | KOOLTHI787LW | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 26, 2028 |
| Melbourne, FL | KORE REFRIGERATION LLC | KORERRL814JR | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 28, 2027 |
| Kent, WA | KOZAK LLC | KOZAKL*776J4 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 1, 2027 |
| Monroe, WA | KTM HEATING & COOLING LLC | KTMHEHC751RE | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 5, 2027 |
| Kalama, WA | L I C HVAC SERVICES LLC | LICHVSL740DB | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 2, 2028 |
| Ferndale, WA | LAGERWEY MECHANICAL LLC | LAGERML793RH | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 8, 2027 |
| Kirkland, WA | LAKE WASH HTNG & COOLING LLC | LAKEWWH820DT | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 30, 2028 |
| Troutdale, OR | LC CLIMATE SOLUTIONS LLC | LCCLICS782K5 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 17, 2028 |
| Hayden, ID | LEGACY HEATING & COOLING | LEGACHC7808N | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 17, 2026 |
| Chehalis, WA | LEVENTON HEATING & COOLING LLC | LEVENHC828DM | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 2, 2028 |
| Napavine, WA | LEWIS COUNTY HTG & COOLING | LEWISCH753J4 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 24, 2027 |
| Liberty Lake, WA | LIBERTY LAKE HEATNG & COOL LLC | LIBERLH821M6 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 10, 2027 |
| Puyallup, WA | LLAMA HEATING & AIR CNDG LLC | LLAMAHA788LC | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 15, 2028 |
| Seattle, WA | LONG EQUIPMENT REPAIR PLLC | LONGEER778J5 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 25, 2027 |
| Lopez Island, WA | LOPEZ HEATING SYSTEMS | LOPEZHS961CE | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 12, 2027 |
| Redmond, WA | LUMANK INC | LUMANI*778RL | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 12, 2027 |
| Seattle, WA | LUNA HOME COMFORT LLC | LUNAHHC754QQ | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 18, 2027 |
| Harrison, ID | M & C MECHANICAL LLC | MCMECCM756M8 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 28, 2027 |
| Post Falls, ID | MADDOG CONTRACTING LLC | MADDOCL774C8 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 28, 2027 |
| Pe Ell, WA | MAGRUDER HTG & COOLING LLC | MAGRUHC822B6 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 1, 2027 |
| Edmonds, WA | MAINSTREAM MECHANICAL CORP | MAINSM*945JF | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 24, 2028 |
| Spokane, WA | MASTER HEATING & COOLING LLC | MASTEHC780NK | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 20, 2028 |
| Olympia, WA | MASTER MECHANICAL LLC | MASTEML83373 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 17, 2027 |
| Edmonds, WA | MATUSKA HEATING SERVICES INC | MATUSHS012KK | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 18, 2027 |
| Portland, OR | MAX MECHANICAL LLC | MAXMEML754NA | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 1, 2027 |
| Hood River, OR | MCDOWELL & SON INC | MCDOWSI741JC | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 6, 2028 |
| Snohomish, WA | MCFARLAND HEATING & AIR LLC | MCFARHA930JR | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 19, 2027 |
| Gretna, NE | MCNEIL INDUSTRIAL INC | MCNEIII785QS | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 12, 2027 |
| Tacoma, WA | MECHANIC CRAFT HEAT & COOL LLC | MECHACH786JF | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 26, 2028 |
| Spokane Valley, WA | MECHANICAL & RFRG SERV LLC | MECHARS746LB | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 25, 2028 |
| Pasco, WA | MECHANICAL PROS LLC THE | MECHAPL756LQ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 18, 2027 |
| Darrington, WA | MECHANICAL TECHNICAL SERVS LLC | MECHATS794DU | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 30, 2028 |
| Lakewood, WA | MECHPRO LLC | MECHPL*769RL | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 31, 2026 |
| Milford, OH | MELINK CORP | MELINC*881C7 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 5, 2028 |
| Milwaukee, WI | MEP MECHANICAL SERVICES LLC | MEPMEMS751D2 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 26, 2027 |
| Kent, WA | MERIDIAN HEATING & COOLING LLC | MERIDHC773KJ | Heating/vent/air-conditioning and refrig (hvac/r) | May 20, 2027 |
| Kent, WA | MERIDIAN MECHANICAL | MERIDM*804QT | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 4, 2026 |
| Seattle, WA | METHOD ENERGY LLC | METHOEL771ME | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 1, 2027 |
| Marysville, WA | METHODICAL MECHANICAL LLC | METHOML741LQ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 23, 2028 |
| Kirkland, WA | METRO AIR INC | METROAI995RC | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 10, 2027 |
| Boring, OR | MICHAEL-ALAN MECHANICAL INC | MICHAMI775DC | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 15, 2027 |
| Vashon, WA | MIDNIGHT MECHANICAL INC | MIDNIMI753KR | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 3, 2027 |
| Spokane, WA | MIGHTY CLEAN AIR DUCTS LLC | MIGHTCA775Q8 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 28, 2027 |
| Burley, WA | MIKE'S HEATING LLC | MIKESHL786QB | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 3, 2026 |
| Lakewood, WA | MIKES HEATING & AIR LLC | MIKESHA766PN | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 5, 2027 |
| Spokane, WA | MIKES HVAC SERV & RETROFIT LLC | MIKESHS755RQ | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 18, 2027 |
| Lynnwood, WA | MILLER MECHANICAL LLC | MILLEML761OR | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 10, 2026 |
| Milwaukie, OR | MILWAUKIE HEATING & COOLING CO | MILWAHC749JG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2028 |
| Seattle, WA | MINI SPLIT PROS | MINISSP744L4 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 1, 2028 |
| Spanaway, WA | MMSPARC LLC | MMSPAL*820K5 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 15, 2028 |
| Auburn, WA | MODIBUILT LLC | MODIBL*754QD | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 4, 2027 |
| Jacksonville Bea, FL | MOFFITT MECHANICAL LLC | MOFFIML901KF | Heating/vent/air-conditioning and refrig (hvac/r) | May 13, 2027 |
| Bothell, WA | MOGOVOLT HEATING & COOLING | MOGOVHC742K8 | Heating/vent/air-conditioning and refrig (hvac/r) | May 28, 2028 |
| Redmond, WA | MORGAN MECHANICAL INC | MORGAMI883WT | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 31, 2028 |
| Orting, WA | MOUNTAIN HEATING & COOLING LLC | MOUNTHC812BS | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 10, 2027 |
| Renton, WA | MOUNTAIN VALLEY HTG & A/C INC | MOUNTVH970N2 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 5, 2028 |
| Beaverton, OR | MPS HEATING & COOLING LLC | MPSHEHC858LP | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2028 |
| Fife, WA | MTW DESIGN SERVICES LLC | MTWDEDS8341M | Heating/vent/air-conditioning and refrig (hvac/r) | May 6, 2027 |
| Ridgefield, WA | NAROL HEATING & COOLING LLC | NAROLHC750O3 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 23, 2027 |
| Tacoma, WA | NARROWS HEATING/AIR CNDTNG, IN | NARROI*216J3 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 8, 2028 |
| Tonasket, WA | NAYLORS APPLIANCE & REFRIGERTN | NAYLOAR035N2 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 10, 2028 |
| Kalispell, MT | NELSON HEATING LLC | NELSOHL853DK | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 21, 2027 |
| Seattle, WA | NEUDORFER ENGINEERS LLC | NEUDOEL787LN | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 15, 2028 |
| Puyallup, WA | NEW CASTLE MECHANICAL LLC | NEWCACM924OD | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 8, 2028 |
| Gold Bar, WA | NEW ERA ELITE INC | NEWEREE741B6 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 29, 2028 |
| Longview, WA | NEW GROUND ELECTRIC LLC | NEWGRGE741MS | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 13, 2028 |
| Vancouver, WA | NEWTON'S HEATING & COOLING LLC | NEWTOHC756BF | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 8, 2027 |
| Plano, TX | NEXREV LLC | NEXREL*830RM | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 24, 2028 |
| Snohomish, WA | NGUYEN'S HEATING & COOLING LLC | NGUYEHC740K1 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 27, 2028 |
| Bothell, WA | NIKITA REFRIGERATION LLC | NIKITRL831D2 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 18, 2026 |
| Spokane, WA | NORCO HEATING & AIR COND INC | NORCOHA170RZ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 14, 2027 |
| Kent, WA | NORMAL MECHANICAL LLC | NORMAML836KZ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 6, 2027 |
| Colville, WA | NORSTAR HEATING & COOLING INC | NORSTHC923LP | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 4, 2028 |
| Dalton Gardens, ID | NORTH IDAH HTG/CLNG SLTNS INC | NORTHIH806OQ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2027 |
| Hillsboro, OR | NORTH PACIFIC MECHANICAL LLC | NORTHPM847P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 28, 2028 |
| Snohomish, WA | NORTH STAR HTG AND COOLING LLC | NORTHSH940PL | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 13, 2027 |
| Spokane Valley, WA | NORTH WEST ELECTRIC SLTNS LLC | NORTHWE798LG | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 7, 2027 |
| Sunnyside, WA | NORTH WIND AIR LLC | NORTHWA824JT | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 30, 2028 |
| Arlington, WA | NORTHERN COMFORT HTG & COOLING | NORTHCH762OJ | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 11, 2028 |
| Newcastle, WA | NORTHERN HRZON HTNG & AIR LLC | NORTHHH777BF | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 11, 2027 |
| Longview, WA | NORTHFORGE HEATING & COOLING | NORTHHC746MN | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 16, 2028 |
| Vancouver, WA | NORTHPOINT HEATING/COOLING LLC | NORTHHL753N2 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 22, 2027 |
| Arlington, WA | NORTHSHORE HEATING LLC | NORTHHL955JK | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 4, 2027 |
| Ferndale, WA | NORTHSTAR HVAC, LLC | NORTHHL773JO | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 20, 2027 |
| Portland, OR | NORTHWEST AIR SOLUTIONS LLC | NORTHAS747JG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2028 |
| Auburn, WA | NORTHWEST COMFORT SYSTEMS INC | NORTHCS015KK | Heating/vent/air-conditioning and refrig (hvac/r) | May 4, 2028 |
| Milwaukie, OR | NORTHWEST CONTROL COMPANY | NORTHCC122D1 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 26, 2027 |
| Beaverton, OR | NORTHWEST ENGINEERING SERV INC | NORTHES876P4 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 29, 2027 |
| Hayden, ID | NORTHWEST GEOTHERMAL OF IDAHO | NORTHGI905DC | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2027 |
| Spokane, WA | NORTHWEST HVAC SOLUTIONS | NORTHHS756LD | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 4, 2027 |
| Mill Creek, WA | NORTHWEST LAB SERVICES LLC | NORTHLS816KC | Heating/vent/air-conditioning and refrig (hvac/r) | May 13, 2027 |
| Tumwater, WA | NORTHWEST REFRIGERATION | NORTHR*874JK | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2027 |
| Moses Lake, WA | NOVAK HEATING & AIR, LLC | NOVAKHA791C2 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 22, 2027 |
| Portland, OR | NW PERFORMANCE HEATING & COOLN | NWPERPH817LF | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 6, 2027 |
| Moses Lake, WA | OASIS HEATING & COOLING LLC | OASISHC792LD | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 6, 2027 |
| Seattle, WA | Olson Energy Serv/Gas Appl Svc | OLSONES863OD | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 23, 2028 |
| Renton, WA | OLYMPIC HEATING AND A/C LLC | OLYMPHA941C2 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 22, 2028 |
| Quilcene, WA | OLYMPIC HVAC LLC | OLYMPHL772CF | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 23, 2027 |
| Monroe, WA | OMNI MECHANICAL INC | OMNIMMI779PR | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 19, 2027 |
| Spokane, WA | ON TRACK REFRIGERATION LLC | TRACKTR742BL | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 13, 2028 |
| Issaquah, WA | ONE HOUR HTG & A/C OF CTRL SEA | ONEHOHH741CJ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 1, 2028 |
| Yakima, WA | ONPOINT HEATING & AIR LLC | ONPOIHA794P5 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 9, 2028 |
| Vancouver, WA | OPTIMAL HEATING & COOLING LLC | OPTIMHC826DK | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 4, 2027 |
| Bonney Lake, WA | OPTIMAL HVAC LLC | OPTIMHL833CC | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 5, 2027 |
| Molalla, OR | OREGON COMMERCIAL HEATING INC | OREGOCH924OL | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 7, 2026 |
| The Dalles, OR | OREGON EQUIPMENT CO INC | OREGOEC136K1 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 1, 2027 |
| Beaverton, OR | OREGON HEATING & A/C LLC | OREGOHC851O2 | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 22, 2027 |
| Burlington, WA | OZANNE CUSTOM LLC | OZANNCL790QQ | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 19, 2027 |
| Issaquah, WA | P P S HEATING & A/C INC | PPSHEA*133DA | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 18, 2027 |
| Spokane, WA | PACE PLUMBING HEATING & AIR | PACEPPH756CR | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 12, 2027 |
| Bothell, WA | PACIFIC AIR CONTROL INC | PACIFAC230P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 1, 2027 |
| Olympia, WA | PACIFIC AIR HEATING & A/C INC | PACIFAH908LP | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 11, 2026 |
| Vancouver, WA | PACIFIC AIR HVAC LLC | PACIFAH774KT | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 10, 2027 |
| Camas, WA | PACIFIC APPLIANCE SOLUTINS INC | PACIFAS751R3 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 24, 2027 |
| Lynnwood, WA | PACIFIC MECHANICAL SYSTEMS INC | PACIFMS034B7 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 10, 2028 |
| Vancouver, WA | PACIFIC NORTHRIDGE MECH LLC | PACIFNM745KN | Heating/vent/air-conditioning and refrig (hvac/r) | May 15, 2028 |
| Kirkland, WA | PACIFIC ONE CONSTRUCTION INC | PACIFOC963JH | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 8, 2027 |
| Vancouver, WA | PACIFIC PEAK MECHANICAL | PACIFPM742JC | Heating/vent/air-conditioning and refrig (hvac/r) | May 22, 2028 |
| Tacoma, WA | Pacific Refrigeration Op LLC | PACIFRO751MU | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 31, 2027 |
| Roy, WA | Palatial Heating & AC LLC | PALATHA871QO | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 20, 2027 |
| Marysville, WA | PARKER BROS HTNG & CLLNG LLC | PARKEBH775K3 | Heating/vent/air-conditioning and refrig (hvac/r) | May 30, 2027 |
| Federal Way, WA | PATRIOT HEATING & A/C INC | PATRIHA936CN | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 1, 2027 |
| Yakima, WA | PEAK PERFORMANCE TECHNOLGY LLC | PEAKPPT755LW | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 16, 2027 |
| Eltopia, WA | PEAK POWER LLC | PEAKPPL754C5 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 25, 2027 |
| Quincy, WA | PEAKLINE MECHANICAL LLC | PEAKLML740LC | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 3, 2028 |
| Redmond, WA | PEARCE HEATING & A/C INC | PEARCHC850BT | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 30, 2027 |
| Redmond, WA | PERFECT CLIMATE INC | PERFECI022D5 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 14, 2028 |
| Puyallup, WA | PIECE OF MIND HOME COMFORT | PIECEMH829CZ | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 23, 2028 |
| Puyallup, WA | PIERCE COUNTY HEATING LLC | PIERCCH806PG | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 14, 2026 |
| Oregon City, OR | PLATINUM HEATING & COOLING LLC | PLATIHC749J7 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 27, 2028 |
| Marysville, WA | POLK MECHANICAL LLC | POLKMML834J5 | Heating/vent/air-conditioning and refrig (hvac/r) | May 7, 2027 |
| Vancouver, WA | POWER VAC LLC | POWERVL938J6 | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 29, 2027 |
| Bonney Lake, WA | POWERS HVAC REPAIR LLC | POWERHR821LQ | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2028 |
| Monroe, WA | PRECISE HEATING & COOLING LLC | PRECIHC891L9 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 29, 2027 |
| Post Falls, ID | PRECISION AIR HTNG/COOLING INC | PRECIAH756OH | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 12, 2027 |
| Vancouver, WA | PRECISION AIR LLC | PRECIAL825Q8 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 3, 2026 |
| Covington, WA | PRECISION AIR SERVICES INC | PRECIAS992LH | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 12, 2027 |
| Moses Lake, WA | PRECISION DUCT CLEANING LLC | PRECIDC777RH | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 8, 2027 |
| Vancouver, WA | PRECISION SHEETMETAL & HTG INC | PRECISH973B3 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 17, 2027 |
| Wilsonville, OR | PRECISION TEST & BALANCE INC | PRECITB886MK | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 13, 2028 |
| Clackamas, OR | PRECISIONAIRE NORTHWEST LLC | PRECINL758LO | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 7, 2027 |
| Milwaukee, WI | PREFERRED MECHANICAL CONTRS | PREFEMC761Q7 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 22, 2027 |
| Kent, WA | PREMIER COOLING & HEATING LLC | PREMICH741NF | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 6, 2028 |
| Wenatchee, WA | PREMIER HEATING & COOLING LLC | PREMIHC760NT | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 5, 2028 |
| Vancouver, WA | PRIME AERO SOLUTIONS LLC | PRIMEAS744OD | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 4, 2028 |
| Concrete, WA | PRINCE MECHANICAL LLC | PRINCML812OP | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 19, 2027 |
| Richland, WA | PRINGLES POWER VAC INC | PRINGPV741KR | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 1, 2028 |
| Richland, WA | PRINGLES POWER VAC INC | PRINGPV936DA | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 13, 2028 |
| Centralia, WA | PRO AIR HEATING & COOLING INC | PROAIAH849DH | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 14, 2027 |
| Seattle, WA | PRO HEAT LLC | PROHEHL932JZ | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 12, 2027 |
| Walla Walla, WA | PRO HEATING & AIR CONDITIONING | PROHEHA784K3 | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 22, 2028 |
| Portland, OR | PRO HEATING AND COOLING INC | PROHEHC770B6 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 7, 2027 |
| Sherwood, OR | PROFESSIONAL AIR BALANCE SVC | PROFEAB890QC | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 21, 2028 |
| Seattle, WA | PROGRESSIVE COMFORT SOLUTIONS | PROGRCS863J1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 12, 2028 |
| Vancouver, WA | PROHEAT NW LLC | PROHENL841BO | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 19, 2028 |
| Portland, OR | PROTEMP ASSOCIATES INC | PROTEAI1979D | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 8, 2026 |
| Gig Harbor, WA | PUGET SOUND CONT & ELECT LLC | PUGETSC762B6 | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 1, 2028 |
| Mountlake Ter, WA | PURE AIR CLNG & HTNG LLC | PUREAAC757KA | Heating/vent/air-conditioning and refrig (hvac/r) | May 1, 2027 |
| Bothell, WA | PURE POWER | PUREPP*771PJ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 11, 2027 |
| Monroe, WA | QUALITY COMFORT SOLUTIONS LLC | QUALICS797LQ | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 3, 2027 |
| Yakima, WA | QUALITY TEK HTG & COOLING LLC | QUALITH773KR | Heating/vent/air-conditioning and refrig (hvac/r) | May 19, 2027 |
| Quincy, WA | QUINCY HEATING & A/C LLC | QUINCHC889LF | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 8, 2028 |
| Tulalip, WA | RAIN CITY MECHANICAL LLC | RAINCCM745OQ | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 25, 2028 |
| Olympia, WA | RAINIER AIR SERVICES | RAINIAS808K6 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 7, 2028 |
| Woodland, WA | RAWHIDE ELECTRIC SERVICES LLC | RAWHIES903RC | Heating/vent/air-conditioning and refrig (hvac/r) | May 15, 2028 |
| Bellingham, WA | RAY HEATING & A/C INC | RAYHEAI988NE | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 3, 2027 |
| Hayden, ID | REBEL CREEK HEATING & AIR INC | REBELCH768OF | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 8, 2028 |
| Colbert, WA | RECREATE CONTRACTING LLC | RECRECL774DN | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 15, 2027 |
| Moscow, ID | REDINGER HEATING & COOLING INC | REDINHC761CW | Heating/vent/air-conditioning and refrig (hvac/r) | May 13, 2028 |
| Ridgefield, WA | REFER GUY ADAM'S MECH LLC | REFERGA756LL | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 24, 2027 |
| Tacoma, WA | REFMASTER LLC | REFMAL*797P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 8, 2027 |
| Tualatin, OR | REITMEIER MECHANICAL | REITMM*972B1 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 28, 2027 |
| Vancouver, WA | RELIABLE MECHANICAL LLC | RELIAML900BL | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 24, 2028 |
| Lynden, WA | RELIANCE INDOOR AIR QUALITY | RELIAIA932K5 | Heating/vent/air-conditioning and refrig (hvac/r) | May 25, 2027 |
| Belfair, WA | RELIATEMP LLC | RELIAL*920M5 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 27, 2027 |
| Bohemia, NY | RETAIL MECHANICAL SERVICES INC | RETAIMS818BD | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 21, 2027 |
| Woodland, WA | RICK ASKE LLC | RICKAAL822OF | Heating/vent/air-conditioning and refrig (hvac/r) | May 12, 2027 |
| Roy, WA | RIDGELINE ELECTRIC LLC | RIDGEEL750DF | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 6, 2027 |
| Pasco, WA | RINGOLD REFRIGERATION LLC | RINGORL820N3 | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 23, 2028 |
| Sherwood, OR | RIVER CITY NW MECHANICAL LLC | RIVERCN860N6 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 14, 2027 |
| Wenatchee, WA | RIVER VALLEY HTG & CLNG LLC | RIVERVH757KR | Heating/vent/air-conditioning and refrig (hvac/r) | May 19, 2027 |
| Nooksack, WA | RIVERSIDE HEATING LLC | RIVERHL791LH | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 8, 2027 |
| Blanchard, ID | ROB'S HEATING & COOLING INC | ROBSHHC756W8 | Heating/vent/air-conditioning and refrig (hvac/r) | Jan 28, 2027 |
| Clackamas, OR | ROBBEN & SONS HTG INC | ROBBESH337N8 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 19, 2028 |
| Spokane Valley, WA | ROCK CREEK HEATING & A/C LLC | ROCKCCH777OA | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 1, 2027 |
| Battle Ground, WA | ROMERO ELECTRIC HTG & CLNG | ROMEREH753P8 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 28, 2027 |
| Spanaway, WA | RONALD D HINZE ENTERPRISES INC | RONALDH015CZ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 17, 2027 |
| Asotin, WA | ROOSTER'S HEATING & COOLNG LLC | ROOSTHC755OH | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 12, 2027 |
| Issaquah, WA | ROYAL HEATING LLC | ROYALHL851P3 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 15, 2027 |
| Lancaster, CA | RUANE MECHANICAL INC | RUANEMI812OD | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 4, 2027 |
| Tacoma, WA | RUSS HEATING & COOLING LLC | RUSSHHC792P9 | Heating/vent/air-conditioning and refrig (hvac/r) | Nov 24, 2027 |
| Roy, WA | SAFE WIRE ELECTRIC LLC | SAFEWWE746OH | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 8, 2028 |
| Friday Harbor, WA | SAN JUAN HEATING LLC | SANJUJH914P3 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 22, 2027 |
| Mill Creek, WA | SAPPHIRE HEATING AND AIR LLC | SAPPHHA756JG | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 7, 2027 |
| Colbert, WA | SCOTT & SONS HEATING & AC LLC | SCOTTSH883RJ | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 18, 2027 |
| Lake Stevens, WA | SCOTTS HVAC DIAGNOSTIC | SCOTTHD743KJ | Heating/vent/air-conditioning and refrig (hvac/r) | May 14, 2028 |
| Kent, WA | SEATTLE HEATING & COOLING LLC | SEATTHC776JK | Heating/vent/air-conditioning and refrig (hvac/r) | Apr 12, 2027 |
| Puyallup, WA | SERENITY AIR INC | SERENAI920L6 | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 10, 2028 |
| Blaine, WA | SERENITY HEATING & A/C | SERENHC763R6 | Heating/vent/air-conditioning and refrig (hvac/r) | Dec 26, 2026 |
| Vancouver, WA | SERVICE FIRST HEATING/CLG INC | SERVIFH928J4 | Heating/vent/air-conditioning and refrig (hvac/r) | May 22, 2028 |
| Arlington, WA | SERVICE MAX HEATING AND AC LLC | SERVIMH885DE | Heating/vent/air-conditioning and refrig (hvac/r) | Sep 15, 2028 |
| Medical Lake, WA | SEVYN'S HEATING & COOLING LLC | SEVYNHC7517U | Heating/vent/air-conditioning and refrig (hvac/r) | Oct 31, 2027 |
| Hayden, ID | SHAFER HEATING & COOLING INC | SHAFEHC019KF | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 16, 2027 |
| Beavercreek, OR | SHAMBURG HEATING LLC | SHAMBHL990MS | Heating/vent/air-conditioning and refrig (hvac/r) | Jun 7, 2027 |
| Gig Harbor, WA | SHARP HVAC | SHARPH*741NK | Heating/vent/air-conditioning and refrig (hvac/r) | Aug 13, 2028 |
| Fairfield, WA | SHARP MECHANICAL LLC | SHARPML782DZ | Heating/vent/air-conditioning and refrig (hvac/r) | May 21, 2028 |
| Ocean Shores, WA | SHORESAIR | SHORE**756D4 | Heating/vent/air-conditioning and refrig (hvac/r) | Mar 25, 2027 |
| Rosalia, WA | SHRODE HEATING & COOLING INC | SHRODHC937LF | Heating/vent/air-conditioning and refrig (hvac/r) | Jul 23, 2027 |
| Edmonds, WA | SIG MECHANICAL LLC | SIGMEML745CJ | Heating/vent/air-conditioning and refrig (hvac/r) | Feb 11, 2028 |
| Tacoma, WA | SIMONS HTG CLN & APPL RP LLC | SIMONHC768J3 | Heating/vent/air-conditioning and refrig (hvac/r) | May 22, 2028 |
Alphabetical order — this site ranks no one. Active company registrations in the L&I contractor files of October 2, 2026. Contractors registered as individuals are not on this site. How to read this.