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

Fire sprinkler contractors in West Covina, CA

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

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627 listingsHow results are ordered
41

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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44

Sayataw Wu Kong

Rosemead, CA · (626) 400-0043

CA-CSLB 926656 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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48

T1 Fire Protection Inc

El Monte, CA · (626) 757-7310

CA-CSLB 1148449 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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54

Yun Qi Construction

Rowland Heights, CA · (626) 780-2806

CA-CSLB 856012 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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56

A H Accord Group Inc

San Gabriel, CA · (626) 272-7058

CA-CSLB 757675 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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58

Acco Engineered Systems

Pasadena, CA · (818) 244-6571

CA-CSLB 120696 · A B +7General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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59

Acco-Wilson, Inc

Pasadena, CA · (831) 244-6571

CA-CSLB 1042403 · B C4 +8General contractorPlumberElectrician+2
License activechecked Oct 24, 2026
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60

Acer Fire Protection Inc

Montclair, CA · (626) 224-7800

CA-CSLB 1047478 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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