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

San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92
Listings 1–20How results are ordered
02

Brea Plumbing

Brea, CA · (714) 529-1034

CA-CSLB 765643 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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03

Breeze HVAC

Chino, CA · (626) 217-3989

CA-CSLB 1141580 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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05

Brothers HVAC Corp

City of Industry, CA · (626) 766-9503

CA-CSLB 1093112 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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09

C&C Air Inc

Chino, CA · (909) 306-6390

CA-CSLB 1122967 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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10

C E Mechanical Inc

Chino, CA · (909) 548-0925

CA-CSLB 765670 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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13

C T S Mechanical Inc

Chino, CA · (909) 465-6361

CA-CSLB 956045 · B C20 +1General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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14

C & y HVAC Inc

West Covina, CA · (626) 780-3695

CA-CSLB 1067664 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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15

Calcoms

Brea, CA · (714) 726-5655

CA-CSLB 960030 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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17

California Chiller

Chino Hills, CA · (909) 680-1980

CA-CSLB 895506 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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20

Cam Quan L

LA Puente, CA · (626) 321-3012

CA-CSLB 1094380 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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