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

Fire sprinkler contractors in Hesperia, CA

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

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98 listingsHow results are ordered
03

Arreola Sergio

Highland, CA · (909) 674-7151

CA-CSLB 1022721 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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06

Curtis Vance

Rancho Cucamonga, CA · (909) 438-5822

CA-CSLB 928208 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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07

Fire Alliance Inc

Rancho Cucamonga, CA · (909) 552-1161

CA-CSLB 886531 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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11

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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13

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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16

Ryan Fire Protection

Alta Loma, CA · (909) 730-0329

CA-CSLB 781412 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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