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
01

Gonzalez Cooling Inc

City of Industry, CA · (909) 837-0086

CA-CSLB 1085858 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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02

Graphic Air

Chino, CA · (909) 548-0652

CA-CSLB 824334 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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03

Graves Richard E

Yorba Linda, CA · (714) 240-2743

CA-CSLB 508341 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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06

H J Western Inc

West Covina, CA · (626) 922-6896

CA-CSLB 989946 · C20 D28Heating and air conditioningSpecialty contractor
License activechecked Oct 24, 2026
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07

H L M Inc

Montclair, CA · (909) 938-2615

CA-CSLB 950133 · B C27 +1General contractorLandscaperHeating and air conditioning
License activechecked Oct 24, 2026
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08

H P Mechanical Inc

San Dimas, CA · (909) 821-0151

CA-CSLB 856371 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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09

H R Plumbing

Pomona, CA · (323) 394-2411

CA-CSLB 398698 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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10

H V a C Guys the

LA Habra, CA · (562) 315-9243

CA-CSLB 1016975 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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13

H V a C Republic

Pomona, CA · (909) 438-7271

CA-CSLB 1067928 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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15

Harry Pro Services

Fullerton, CA · (714) 240-0500

CA-CSLB 764272 · B C4 +7General contractorPlumberElectrician+2
License activechecked Oct 24, 2026
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16

Hawaiian Air

Fullerton, CA · (714) 879-8141

CA-CSLB 299279 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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17

Heda Mechanical

Covina, CA · (626) 388-6668

CA-CSLB 1046639 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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18

Hempel Air

Covina, CA · (626) 331-4022

CA-CSLB 619827 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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20

Herberth Air Inc

Orange, CA · (714) 605-4479

CA-CSLB 1023289 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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