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

Fire sprinkler contractors in Hayward, CA

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

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359 listingsHow results are ordered
21

Ife Leasing Inc

Dublin, CA · (916) 422-2250

CA-CSLB 1047088 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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26

Line Up Group Inc

Foster City, CA · (408) 510-4218

CA-CSLB 1144936 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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30

M L S Builder Inc

Oakland, CA · (650) 534-7946

CA-CSLB 899863 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
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31

M L S Plumbing and Builder Inc

Oakland, CA · (650) 534-7946

CA-CSLB 1141590 · A B +2General engineering contractorGeneral contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
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33

Marina Plumbing Company

Pleasanton, CA · (925) 600-8955

CA-CSLB 462864 · B C16 +2General contractorFire sprinkler contractorPlumber+1
License activechecked Oct 24, 2026
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34

Max Construction

Dublin, CA · (510) 415-4580

CA-CSLB 910025 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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37

Monterey Mechanical Co

Oakland, CA · (510) 632-3173

CA-CSLB 388361 · A B +7General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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38

Mva Construction Co Inc

Atherton, CA · (650) 321-7701

CA-CSLB 416056 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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39

Otter Construction

Pleasanton, CA · (925) 600-0220

CA-CSLB 730162 · A ASB +3General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
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