NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Fontana, CA

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

03

Grand Concrete Inc

Fontana, CA

CA-CSLB 1064153 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
04

Rgm Concrete

Fontana, CA

US-GSA-SAM L4G3PKGRHLN6General engineering contractor
License activechecked Oct 23, 2026
06

A a Construction

Rialto, CA · (909) 421-7960

CA-CSLB 863686 · AGeneral engineering contractor
License activechecked Oct 24, 2026
08

Cable Brothers Inc

Rancho Cucamonga, CA · (909) 899-6475

CA-CSLB 880335 · A C7General engineering contractorElectrician
License activechecked Oct 24, 2026
11

Highball Signal Inc

Rancho Cucamonga, CA · (310) 961-1122

CA-CSLB 977882 · A C10General engineering contractorElectrician
License activechecked Oct 24, 2026
14

J & K Welding

Rancho Cucamonga, CA · (909) 226-1371

CA-CSLB 419502 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
15

J&K Welding Co Inc

Rancho Cucamonga, CA · (909) 560-3223

CA-CSLB 1108110 · A C60General engineering contractorSteel and welding contractor
License activechecked Oct 24, 2026
16

Johnson L R Construction

Rialto, CA · (909) 820-0613

CA-CSLB 326511 · A C8 +2General engineering contractorConcrete contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
17

Larson William Ty

Rancho Cucamonga, CA · (909) 717-2106

CA-CSLB 501029 · AGeneral engineering contractor
License activechecked Oct 24, 2026
19

Od Services LLC

Rialto, CA · (909) 828-8255

CA-CSLB 1107399 · AGeneral engineering contractor
License activechecked Oct 24, 2026