NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Downey, CA

29 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

Ace Cutting Inc

Long Beach, CA · (562) 357-8158

CA-CSLB 524441 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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02

Acosta Engineering

Whittier, CA · (562) 777-6555

CA-CSLB 872733 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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05

Acuna Corp

Whittier, CA · (714) 701-9616

CA-CSLB 835730 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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12

All Ace E & C

Artesia, CA · (562) 895-1995

CA-CSLB 933161 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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13

All Ace E&C Inc

Artesia, CA · (562) 895-1995

CA-CSLB 1071761 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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14

All Air Engineering Co

Cypress, CA · (714) 349-7008

CA-CSLB 631565 · A B +3General engineering contractorGeneral contractorHeating and air conditioning
License activechecked Oct 24, 2026
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16

Almex USA Inc

Buena Park, CA · (714) 739-0303

CA-CSLB 794563 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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18

Alr Construction Co Inc

South El Monte, CA · (941) 960-6900

CA-CSLB 695620 · A B +1General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
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20

Apex Paving Co

Buena Park, CA · (949) 670-6905

CA-CSLB 1147471 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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