NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Alta Loma, CA

19 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

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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02

Garcon Construction Inc

Ontario, CA · (909) 591-8601

CA-CSLB 913550 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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03

Gbc Construction

Fontana, CA · (909) 717-4818

CA-CSLB 1004411 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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06

Gregg Electric Inc

Ontario, CA · (909) 983-1794

CA-CSLB 201042 · A C10 +1General engineering contractorElectrician
License activechecked Oct 24, 2026
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08

Guerrero Elgin

Ontario, CA · (909) 816-1617

CA-CSLB 1113824 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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16

Hhs Construction LLC

Ontario, CA · (303) 325-2697

CA-CSLB 818906 · A B +3General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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19

Inland Design Build

Ontario, CA · (909) 920-1144

CA-CSLB 1005429 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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20

Inland Grading Engineering

Fontana, CA · (909) 509-0177

CA-CSLB 1014465 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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