NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Diamond Bar, CA

14 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
Listings 1–20How results are ordered
01

Espinosa Robert D

Placentia, CA · (714) 694-5930

CA-CSLB 1039546 · A C10General engineering contractorElectrician
License activechecked Oct 24, 2026
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03

Everett Brian a

Hacienda Heights, CA · (714) 851-3037

CA-CSLB 368934 · A B +2General engineering contractorGeneral contractorLandscaper+1
License activechecked Oct 24, 2026
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04

Exterior Construction Inc

Chino, CA · (626) 523-7530

CA-CSLB 981289 · A C8 +1General engineering contractorConcrete contractorLandscaper
License activechecked Oct 24, 2026
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08

Fire Co Sprinkler

Brea, CA · (562) 286-3145

CA-CSLB 1080808 · C16 C34 +1Fire sprinkler contractorGeneral engineering contractorHeating and air conditioning
License activechecked Oct 24, 2026
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10

Flo Concrete

West Covina, CA · (310) 753-3542

CA-CSLB 1078272 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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12

Fryman Management Inc

Chino, CA · (949) 481-5211

CA-CSLB 1007017 · C31 D42General engineering contractorSign contractor
License activechecked Oct 24, 2026
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13

Fuel Equipment Services Inc

Montclair, CA · (800) 581-3710

CA-CSLB 1007851 · A C10 +2General engineering contractorElectricianSpecialty contractor+1
License activechecked Oct 24, 2026
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14

Fuel Pros Inc

Chino, CA · (909) 614-1379

CA-CSLB 269354 · A B +2General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
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15

Fuel Serv

Montclair, CA · (909) 680-9102

CA-CSLB 986361 · A C10 +2General engineering contractorElectricianSpecialty contractor+1
License activechecked Oct 24, 2026
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16

G B Construction Inc

Yorba Linda, CA · (310) 324-3636

CA-CSLB 424458 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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18

G E Construction Co

Yorba Linda, CA · (714) 282-0300

CA-CSLB 630149 · A B +1General engineering contractorGeneral contractorSwimming pool contractor
License activechecked Oct 24, 2026
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20

G & W Builders Inc

Brea, CA · (714) 529-9935

CA-CSLB 457076 · A B +2General engineering contractorGeneral contractorSteel and welding contractor+1
License activechecked Oct 24, 2026
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