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

More cities in California

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119 listingsHow results are ordered
03

Barr Lynn E

Santa Rosa, CA · (707) 953-1294

CA-CSLB 665368 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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06

Benicia Plumbing Inc

Benicia, CA · (707) 745-2930

CA-CSLB 329632 · A B +6General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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09

Clarks Ken Plumbing

Vacaville, CA · (707) 344-5200

CA-CSLB 389228 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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11

Fire Technologies

San Rafael, CA · (415) 250-9654

CA-CSLB 570216 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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16

Glencloy

Corte Madera, CA · (415) 927-9087

CA-CSLB 472470 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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19

Ingram Custom Building

Corte Madera, CA · (415) 699-2307

CA-CSLB 889747 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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