NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Clayton, CA

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

45

Plant Hazardous Services Inc

Alamo, CA · (925) 586-4878

CA-CSLB 863366 · A ASB +5General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
46

Plant Reclamation

Antioch, CA · (510) 233-6552

CA-CSLB 1039599 · A ASB +3General engineering contractorAsbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 24, 2026
53

Ramos Mary a

Walnut Creek, CA · (510) 427-7366

CA-CSLB 492317 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
54

Rkh Constructors Inc

Alamo, CA · (925) 765-6464

CA-CSLB 522195 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
55

Rl Contracting

Pleasant Hill, CA · (707) 628-2188

CA-CSLB 967985 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
57

Rudolph & Sons

Antioch, CA · (925) 525-5184

CA-CSLB 813850 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
58

S & H Construction Inc

Danville, CA · (510) 579-7382

CA-CSLB 786358 · A B +4General engineering contractorGeneral contractorDrywall, plaster and insulation+2
License activechecked Oct 24, 2026
59

S2Serm LLC

Danville, CA · (925) 362-3041

CA-CSLB 1146389 · AGeneral engineering contractor
License activechecked Oct 24, 2026