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

Fire sprinkler contractors in Diamond Bar, CA

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

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552 listingsHow results are ordered
24

Cedillo Peter

LA Habra, CA · (949) 350-6715

CA-CSLB 819801 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 19, 2026
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25

Chen Pang Chiu

Montclair, CA · (626) 224-7800

CA-CSLB 514113 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 19, 2026
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27

Code 4 Fire Inc

Placentia, CA · (949) 439-1979

CA-CSLB 905117 · C16Fire sprinkler contractor
License activechecked Oct 19, 2026
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28

Controlfs LLC

Brea, CA · (657) 232-1231

CA-CSLB 1059425 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 19, 2026
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30

Dexore Inc

Brea, CA · (714) 936-9327

CA-CSLB 1077062 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 19, 2026
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31

E M F Fire Solutions

Yorba Linda, CA · (909) 464-8090

CA-CSLB 932854 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 19, 2026
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35

Fire Co Sprinkler

Brea, CA · (562) 286-3145

CA-CSLB 1080808 · C16 C34 +1Fire sprinkler contractorGeneral engineering contractorHeating and air conditioning
License activechecked Oct 19, 2026
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37

Fire Pro LLC

Hacienda Heights, CA · (480) 768-7280

CA-CSLB 988749 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 19, 2026
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39

Fire Tech

Chino, CA · (909) 217-4624

CA-CSLB 998433 · B C16General contractorFire sprinkler contractor
License activechecked Oct 19, 2026
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