NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Heating and air conditioning in Diamond Bar, CA
33 licensed heating and air conditioning · every license checked against the issuer's file
More cities in California
161Placentia, CA · (714) 630-9570
CA-CSLB 553842 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
Glendora, CA · (626) 208-6354
CA-CSLB 1103874 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Covina, CA · (626) 216-9183
CA-CSLB 1088249 · C20Heating and air conditioning
License activechecked Oct 24, 2026
City of Industry, CA · (626) 961-6010
CA-CSLB 145253 · B C29 +2General contractorMasonry contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
West Covina, CA · (626) 712-1994
CA-CSLB 1031750 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Placentia, CA · (714) 864-0056
CA-CSLB 996518 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Chino Hills, CA · (626) 766-9503
CA-CSLB 1063805 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Chino Hills, CA · (909) 973-8553
CA-CSLB 918450 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Chino, CA · (831) 713-0521
CA-CSLB 1129532 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Ontario, CA · (909) 391-2917
CA-CSLB 570810 · C10 C38ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
Brea, CA · (714) 388-7986
CA-CSLB 855665 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
LA Puente, CA · (626) 910-5803
CA-CSLB 1138934 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
Brea, CA · (714) 264-3550
CA-CSLB 1058381 · B C20 +1General contractorHeating and air conditioning
License activechecked Oct 24, 2026
Yorba Linda, CA · (714) 873-5756
CA-CSLB 1145727 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Chino Hills, CA · (909) 536-3736
CA-CSLB 1013047 · C10 C20 +1ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
Covina, CA · (800) 828-6842
CA-CSLB 846084 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Chino, CA · (626) 624-2589
CA-CSLB 1130437 · C20Heating and air conditioning
License activechecked Oct 24, 2026
Fullerton, CA · (714) 578-3838
CA-CSLB 1137585 · C20Heating and air conditioning
License activechecked Oct 24, 2026
San Dimas, CA · (626) 533-5768
CA-CSLB 983870 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
City of Industry, CA · (626) 626-6794
CA-CSLB 1014758 · C20Heating and air conditioning
License activechecked Oct 24, 2026