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

Fire sprinkler contractors in Ontario, CA

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

More cities in California

San Francisco 96Los Angeles 60Glendale 46San Jose 35Bakersfield 30Sacramento 27Anaheim 24Burbank 23Oakland 22San Diego 22Fresno 21Santa Rosa 21Van Nuys 18Irvine 17Riverside 16Santa Ana 16
424 listingsHow results are ordered
01

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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04

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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06

Santa Fe Plumbing

Norco, CA · (714) 693-8484

CA-CSLB 751147 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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08

Torres Wilfredo

Montclair, CA · (909) 772-0271

CA-CSLB 818886 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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12

West Coast Fire Inc

Rancho Cucamonga, CA · (909) 463-2020

CA-CSLB 836639 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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14

Yadgarian Masis

Fontana, CA · (818) 741-7562

CA-CSLB 1017672 · B C16 +2General contractorFire sprinkler contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
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16

All Quality Fire

Fontana, CA · (909) 273-7863

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