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

Fire sprinkler contractors in Montclair, CA

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

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438 listingsHow results are ordered
23

Liang Weisong

West Covina, CA · (626) 708-1550

CA-CSLB 1040694 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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25

Ortiz Fire

City of Industry, CA · (626) 330-9819

CA-CSLB 906038 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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26

Phoenix Fire

Eastvale, CA · (714) 746-3649

CA-CSLB 933040 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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27

Positive Plumbing Inc

Glendora, CA · (626) 444-4607

CA-CSLB 540754 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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29

R N J Waterworks

Jurupa Valley, CA · (323) 396-9184

CA-CSLB 1133272 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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30

Royaltech Services

LA Puente, CA · (626) 333-0333

CA-CSLB 638729 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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32

Santa Fe Plumbing

Norco, CA · (714) 693-8484

CA-CSLB 751147 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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