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

Heating and air conditioning in Altadena, CA

9 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
04

Grueter Construction Corp

Altadena, CA · (626) 798-9525

CA-CSLB 416414 · B C6 +1General contractorCarpenterHeating and air conditioning
License activechecked Oct 19, 2026
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05

H & H Mechanical Inc

Altadena, CA · (626) 791-0968

CA-CSLB 644029 · C4 C20PlumberHeating and air conditioning
License activechecked Oct 19, 2026
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06

Howe Michael D

Altadena, CA · (213) 305-0060

CA-CSLB 522867 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 19, 2026
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08

Simco Mechanical Inc

Altadena, CA · (818) 957-4994

CA-CSLB 974288 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 19, 2026
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09

Smalling Mechanical Co

Altadena, CA · (626) 404-6989

CA-CSLB 956042 · B C20General contractorHeating and air conditioning
License activechecked Oct 19, 2026
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13

Acco-Wilson, Inc

Pasadena, CA · (831) 244-6571

CA-CSLB 1042403 · B C4 +8General contractorPlumberElectrician+2
License activechecked Oct 19, 2026
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14

Acsco,Inc

Pasadena, CA · (626) 798-3649

CA-CSLB 731997 · C20Heating and air conditioning
License activechecked Oct 19, 2026
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17

Aes Industrial Inc

Pasadena, CA · (510) 346-4300

CA-CSLB 1049754 · A B +5General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 19, 2026
CallDetails