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

Heating and air conditioning in Fontana, CA

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

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San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92
1,913 listingsHow results are ordered
42

Airtech Brothers

Jurupa Valley, CA · (626) 757-5484

CA-CSLB 931565 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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52

American Stainless

Ontario, CA · (909) 257-5747

CA-CSLB 1085845 · C43 D12 +2Heating and air conditioningSpecialty contractorSteel and welding contractor
License activechecked Oct 24, 2026
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53

Amj Mechanical

Ontario, CA · (909) 678-7727

CA-CSLB 1031031 · C10 C20 +1ElectricianHeating and air conditioningSwimming pool contractor
License activechecked Oct 24, 2026
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55

Asc Mechanical Inc

Rancho Cucamonga, CA · (909) 313-7771

CA-CSLB 1144103 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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58

Atara Mechanical Inc

Rancho Cucamonga, CA · (909) 471-1962

CA-CSLB 1126598 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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59

B C M Group Inc

Rancho Cucamonga, CA · (909) 527-3820

CA-CSLB 968356 · A B +5General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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