NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Middletown, CA

6 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
354 listingsHow results are ordered
45

Ryan W J

Santa Rosa, CA · (707) 539-1924

CA-CSLB 757262 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
46

Sikes Asphalt Group Inc

Santa Rosa, CA · (707) 578-1414

CA-CSLB 827774 · A C32General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
CallDetails
49

Sousa Engineering

Windsor, CA · (707) 349-5554

CA-CSLB 1038833 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
50

Stapleton Brett Austin

Santa Rosa, CA · (707) 228-7981

CA-CSLB 1048719 · A C57 +1General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
CallDetails
58

Trans Tech Consultants

Windsor, CA · (707) 837-8408

CA-CSLB 697833 · A HAZGeneral engineering contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
CallDetails
60

Waterworks Industries LLC

Windsor, CA · (707) 837-7900

CA-CSLB 1137599 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
CallDetails