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

Fire sprinkler contractors in Rancho Cucamonga, CA

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

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323 listingsHow results are ordered
23

All Quality Fire

Fontana, CA · (909) 273-7863

CA-CSLB 938413 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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26

Chen Pang Chiu

Montclair, CA · (626) 224-7800

CA-CSLB 514113 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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27

Continental Plumbing Inc

Mira Loma, CA · (951) 360-8300

CA-CSLB 399073 · C4 C16 +3PlumberFire sprinkler contractorGeneral engineering contractor+1
License activechecked Oct 24, 2026
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28

Dmg Fire Protection

Ontario, CA · (626) 548-8663

CA-CSLB 1062041 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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34

Hci Sprinkler Inc

Ontario, CA · (909) 628-7773

CA-CSLB 1005968 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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35

Hci Systems Inc

Ontario, CA · (909) 628-7773

CA-CSLB 905493 · C7 C10 +1ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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36

Jn Construction Inc

Ontario, CA · (323) 378-0109

CA-CSLB 1001396 · A B +4General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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37

Jnsd Construction Inc

Ontario, CA · (323) 378-0109

CA-CSLB 1080741 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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