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
425 listingsHow results are ordered
82

Jam Corp

Monrovia, CA · (626) 256-4400

CA-CSLB 791060 · B C7 +2General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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83

Jb Fire Protection Inc

Anaheim, CA · (714) 578-0900

CA-CSLB 647282 · C16 C34 +1Fire sprinkler contractorGeneral engineering contractorPlumber
License activechecked Oct 24, 2026
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85

Koung Mark Pao-Feng

Hacienda Heights, CA · (626) 330-0119

CA-CSLB 832380 · B C7 +2General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
86

L2 Living Consultation

LA Mirada, CA · (213) 820-5084

CA-CSLB 859252 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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88

Lee Simon N

Whittier, CA · (213) 219-3388

CA-CSLB 997548 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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90

Li James Chung-Min

LA Puente, CA · (626) 786-5565

CA-CSLB 457153 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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91

Lindley Fire

Anaheim, CA · (714) 535-5761

CA-CSLB 1037930 · A C10 +2General engineering contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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96

Miguel Flores

Whittier, CA · (626) 665-1323

CA-CSLB 573926 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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97

Mtm Construction Inc

City of Industry, CA · (626) 934-1112

CA-CSLB 659142 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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