NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Mad River, CA

103

Morrison J W Inc

Laytonville, CA · (707) 984-8858

CA-CSLB 970906 · A C57 +1General engineering contractorWell drilling contractorTree service
License activechecked Oct 24, 2026
105

O & M Industries

Arcata, CA · (707) 822-8800

CA-CSLB 284930 · A B +7General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
110

R a O Construction Co Inc

Cutten, CA · (707) 443-2118

CA-CSLB 335066 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
115

Sundberg G R Inc

Arcata, CA · (707) 825-6565

CA-CSLB 732695 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementExcavation, grading and paving
License activechecked Oct 24, 2026
116

T C M Construction

Igo, CA · (530) 396-2444

CA-CSLB 957621 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
119

Wahlund Construction Inc

Eureka, CA · (707) 268-0150

CA-CSLB 678993 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026