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

Fire sprinkler contractors in Sonoma, CA

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

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119 listingsHow results are ordered
102

C R Fireline Inc

Pacheco, CA · (925) 685-9008

CA-CSLB 656241 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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105

Femenia Pedro & Sons Inc

Mill Valley, CA · (415) 721-7473

CA-CSLB 392227 · C4 C16 +2PlumberFire sprinkler contractorHeating and air conditioning
License activechecked Oct 24, 2026
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107

Gipson Construction LLC

Martinez, CA · (925) 787-0131

CA-CSLB 1132366 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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110

J M Fire Systems

Martinez, CA · (925) 550-9928

CA-CSLB 1062563 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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111

Majid Construction

Richmond, CA · (510) 331-4184

CA-CSLB 811519 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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115

Sfi Mechanical Inc

Calistoga, CA · (707) 710-8415

CA-CSLB 940703 · A C16 +1General engineering contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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117

Waterworks Industries LLC

Windsor, CA · (707) 837-7900

CA-CSLB 1137599 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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119

Zion Engineering

Mill Valley, CA · (415) 531-3151

CA-CSLB 440082 · A C16 +1General engineering contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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