NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Upper Lake, CA

01

Marz Engineering

Redwood Valley, CA · (707) 856-3007

CA-CSLB 1084927 · AGeneral engineering contractor
License activechecked Oct 24, 2026
02

Mavrakis George

Redwood Valley, CA · (707) 321-0953

CA-CSLB 892079 · AGeneral engineering contractor
License activechecked Oct 24, 2026
03

Mayfield Ross III

Redwood Valley, CA · (707) 485-4320

CA-CSLB 964939 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
05

Nick's Backhoe Service

Redwood Valley, CA · (707) 272-1574

CA-CSLB 620175 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
07

Pomilia Civil

Redwood Valley, CA · (707) 489-2465

CA-CSLB 1048758 · AGeneral engineering contractor
License activechecked Oct 24, 2026
13

S C Excavating, Inc

Redwood Valley, CA

US-GSA-SAM CHVCGMJLUGA6General engineering contractor
License activechecked Oct 23, 2026
14

Valley Paving

Redwood Valley, CA

US-GSA-SAM G23JYJMWJ8L6General engineering contractor
License activechecked Oct 23, 2026
16

Advanced Earthworks

Cloverdale, CA · (707) 744-1554

CA-CSLB 846195 · A C21 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
18

Chernoh Excavating Inc

Lower Lake, CA · (707) 995-1359

CA-CSLB 769342 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
20

Debenham Dennis E

Cloverdale, CA · (707) 975-6222

CA-CSLB 549866 · A C36 +1General engineering contractorPlumberAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026