NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Heating and air conditioning in Clayton, CA

10 licensed heating and air conditioning · every license checked against the issuer's file

More cities in California

San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92
831 listingsHow results are ordered
104

Infinium Air Inc

Concord, CA · (925) 826-5180

CA-CSLB 995372 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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108

Jet - HVAC

Antioch, CA · (925) 382-5133

CA-CSLB 809173 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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111

Keeney H V a C

Antioch, CA · (925) 628-6635

CA-CSLB 1056961 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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113

Lescure Company Inc

Concord, CA · (925) 283-2528

CA-CSLB 248204 · A B +5General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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115

Majestic Mechanical

Antioch, CA · (925) 658-2126

CA-CSLB 1143750 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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117

Mas Service

Antioch, CA · (888) 314-0451

CA-CSLB 498289 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
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119

Matheneys Plumbing & Heating

Danville, CA · (925) 362-9814

CA-CSLB 933520 · C20 C36 +1Heating and air conditioningPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
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120

Matrix Hg Inc

Concord, CA · (925) 459-9200

CA-CSLB 812232 · B C4 +5General contractorPlumberElectrician+1
License activechecked Oct 24, 2026
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