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

Listings 21–40How results are ordered
21

Ziglift Material Handling

Santa Fe Springs, CA · (562) 407-5438

CA-CSLB 1063193 · A D24General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
28

2H Construction Inc

Signal Hill, CA · (562) 424-5567

CA-CSLB 741856 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
30

A C Paving Company

Whittier, CA · (562) 665-1395

CA-CSLB 870652 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
31

A F R Masonry

South El Monte, CA · (626) 705-5868

CA-CSLB 976870 · A B +1General engineering contractorGeneral contractorMasonry contractor
License activechecked Oct 24, 2026
32

A I W Engineering

Buena Park, CA · (888) 341-5714

CA-CSLB 1076427 · AGeneral engineering contractor
License activechecked Oct 24, 2026
34

A S a P Paving LLC

Buena Park, CA · (714) 690-3780

CA-CSLB 465960 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
37

A1 Sewer Solutions

Los Angeles, CA · (323) 202-5353

CA-CSLB 1074336 · A C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
40

Accu-Cut Inc

Gardena, CA · (310) 327-3454

CA-CSLB 477040 · A C8 +2General engineering contractorConcrete contractorExcavation, grading and paving
License activechecked Oct 24, 2026