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
03

Hci Sprinkler Inc

Ontario, CA · (909) 628-7773

CA-CSLB 1005968 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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04

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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05

I S Firepro

Diamond Bar, CA · (626) 290-1378

CA-CSLB 740006 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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07

Jed August

Rancho Cucamonga, CA · (323) 397-0828

CA-CSLB 536787 · B C10 +5General contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
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09

Jpm Fire Protection

Rancho Cucamonga, CA · (909) 224-3812

CA-CSLB 1141834 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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14

Mueller Construction

Alta Loma, CA · (909) 223-7291

CA-CSLB 430230 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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15

Nebshau Inc

Covina, CA · (626) 332-7066

CA-CSLB 1064967 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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