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
362 listingsHow results are ordered
21

Jaw Inc

Santa Rosa, CA · (707) 477-8784

CA-CSLB 1083628 · A C27General engineering contractorLandscaper
License activechecked Oct 24, 2026
CallDetails
23

K & P Kelly Inc

Windsor, CA · (707) 579-4104

CA-CSLB 510770 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
CallDetails
24

Kaiser Construction Inc

St Helena, CA · (707) 478-9782

CA-CSLB 914232 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
25

Labrucherie G M

Santa Rosa, CA · (707) 975-3640

CA-CSLB 239445 · A B +1General engineering contractorGeneral contractorLandscaper
License activechecked Oct 24, 2026
CallDetails
26

Lang Peter a

Santa Rosa, CA · (707) 318-0187

CA-CSLB 359983 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
28

Loewen Russell

Santa Rosa, CA · (707) 528-7466

CA-CSLB 775453 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
30

Lueck Roger a

Santa Rosa, CA · (707) 570-5090

CA-CSLB 964164 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
31

M B Homes Sonoma LLC

Santa Rosa, CA · (707) 757-0042

CA-CSLB 1043307 · A B +1General engineering contractorGeneral contractorConcrete contractor
License activechecked Oct 24, 2026
CallDetails
33

Mann Excavating

Windsor, CA · (707) 799-4711

CA-CSLB 834236 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
36

Matteri Rodney

Healdsburg, CA · (707) 974-5918

CA-CSLB 1100868 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
CallDetails
39

Nessco Construction Inc

Santa Rosa, CA · (707) 953-4500

CA-CSLB 765763 · A B +1General engineering contractorGeneral contractorLandscaper
License activechecked Oct 24, 2026
CallDetails