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

Fire sprinkler contractors in Pleasanton, CA

13 licensed fire sprinkler contractors · every license checked against the issuer's file

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298 listingsHow results are ordered
83

Project Contractor Inc

San Mateo, CA · (650) 425-7699

CA-CSLB 884221 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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85

Sham Fook Hong

Oakland, CA · (650) 534-7946

CA-CSLB 886149 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
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89

Thorpe Design Inc

Brentwood, CA · (925) 634-5758

CA-CSLB 541016 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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95

William R Wood

Santa Clara, CA · (408) 307-1234

CA-CSLB 1144201 · C10 C16 +1ElectricianFire sprinkler contractorSpecialty contractor
License activechecked Oct 24, 2026
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97

A G Quality Plumbing

San Francisco, CA · (415) 824-2517

CA-CSLB 828200 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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