Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,129 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 7,501–7,560 of 15,129 contractors

K & M Systems INC
San Diego, CA · CSLB #1004953 · as of October 8, 2026
Active · clear
Kna Contracting
Merced, CA · CSLB #1104256 · as of October 8, 2026
Active · clear
K N C Construction INC
Apple Valley, CA · CSLB #889121 · as of October 8, 2026
Active · clear
Knepp Kraft Construction CO INC
Seal Beach, CA · CSLB #547307 · as of October 8, 2026
Active · clear
Knife River Construction
Chico, CA · CSLB #91712 · as of October 8, 2026
Active · clear
D S S Company DBA Knife River Construction
Stockton, CA · CSLB #334653 · as of October 8, 2026
Active · clear
Knight And Sons INC
San Luis Obispo, CA · CSLB #807963 · as of October 8, 2026
Active · clear
Knight Construction INC
Northridge, CA · CSLB #1117928 · as of October 8, 2026
Active · clear
Knight Const & Supply INC
Deer Park, CA · CSLB #1139846 · as of October 8, 2026
Active · clear
Knighthawk Building Services INC
Elk Grove, CA · CSLB #944938 · as of October 8, 2026
Active · clear
KNK Construction Corp
Canyon Country, CA · CSLB #608307 · as of October 8, 2026
Active · clear
David Knott INC
Fresno, CA · CSLB #895358 · as of October 8, 2026
Active · clear
N Brent Knowles Construction
Cayucos, CA · CSLB #577990 · as of October 8, 2026
Active · clear
C L Knox INC
Bakersfield, CA · CSLB #757872 · as of October 8, 2026
Active · clear
Knox Tank Lining INC
Placerville, CA · CSLB #1042096 · as of October 8, 2026
Active · clear
Knudson Engineers & Constructors INC
Tustin, CA · CSLB #313747 · as of October 8, 2026
Active · clear
Koa Consulting INC DBA Koa Contractors & Engineers
Huntington Beach, CA · CSLB #1053995 · as of October 8, 2026
Active · clear
Koah Dirt Work LLC
Reno, CA · CSLB #1111397 · as of October 8, 2026
Active · clear
Koam Construction INC
Montrose, CA · CSLB #690788 · as of October 8, 2026
Active · clear
Kobolt Construction
Fullerton, CA · CSLB #1024785 · as of October 8, 2026
Active · clear
Koch Builder
Redondo Beach, CA · CSLB #821331 · as of October 8, 2026
Active · clear
Koch General Engineering INC
Lakeside, CA · CSLB #1023489 · as of October 8, 2026
Active · clear
Koch & Koch INC
Grass Valley, CA · CSLB #793724 · as of October 8, 2026
Active · clear
Koch Specialty Plant Services LLC
Houston, CA · CSLB #1015436 · as of October 8, 2026
Active · clear
K O Construction INC
Winters, CA · CSLB #520929 · as of October 8, 2026
Active · clear
K O Construction Rentals INC
Winters, CA · CSLB #605490 · as of October 8, 2026
Active · clear
Walter Koenig
Rio Vista, CA · CSLB #322062 · as of October 8, 2026
Active · clear
Doug Koerper Construction
Shaver Lake, CA · CSLB #891018 · as of October 8, 2026
Active · clear
Kogler Enterprises
Oakhurst, CA · CSLB #1011328 · as of October 8, 2026
Active · clear
Ted Sakaida DBA Koi Engineering
Van Nuys, CA · CSLB #716701 · as of October 8, 2026
Active · clear
Koios Engineering INC
San Francisco, CA · CSLB #1079921 · as of October 8, 2026
Active · clear
Jonathan Ko
Walnut, CA · CSLB #922189 · as of October 8, 2026
Active · clear
Kokosing Industrial INC
Westerville, CA · CSLB #1053626 · as of October 8, 2026
Active · clear
Koloa Pacific Construction INC
Poway, CA · CSLB #930720 · as of October 8, 2026
Active · clear
Koloa Pacific Pipeline Corporation
El Cajon, CA · CSLB #986958 · as of October 8, 2026
Active · clear
Bonnie Kolpack
Sonora, CA · CSLB #705053 · as of October 8, 2026
Active · clear
Glenn H Kolpack INC
Sonora, CA · CSLB #287112 · as of October 8, 2026
Active · clear
Harry Kominski JR
Chula Vista, CA · CSLB #695973 · as of October 8, 2026
Active · clear
Kompan California INC
Sacramento, CA · CSLB #1072215 · as of October 8, 2026
Active · clear
Kona Group USA
San Diego, CA · CSLB #933632 · as of October 8, 2026
Active · clear
Nirin Kong
Cypress, CA · CSLB #1076874 · as of October 8, 2026
Active · clear
Michael Steven Konieczka
Pine Grove, CA · CSLB #779424 · as of October 8, 2026
Active · clear
Konko Corporation DBA Konko Construction
Rancho Palos Verdes, CA · CSLB #1069935 · as of October 8, 2026
Active · clear
Konnectpro Designers & Builders INC
Fremont, CA · CSLB #1148635 · as of October 8, 2026
Active · clear
Konstructo INC
Walnut Creek, CA · CSLB #1032050 · as of October 8, 2026
Active · clear
Kris Koontz Const
Coarsegold, CA · CSLB #369819 · as of October 8, 2026
Active · clear
R Koontz INC
Rancho Mission Viejo, CA · CSLB #755999 · as of October 8, 2026
Active · clear
Kopp CO
Valley Center, CA · CSLB #524696 · as of October 8, 2026
Active · clear
Kordich Construction INC
Cypress, CA · CSLB #1008108 · as of October 8, 2026
Active · clear
Adi Koreh
Acton, CA · CSLB #1017120 · as of October 8, 2026
Active · clear
Kormex Construction INC
Ontario, CA · CSLB #1073142 · as of October 8, 2026
Active · clear
Koslin Construction Incorporated
Sacramento, CA · CSLB #707693 · as of October 8, 2026
Active · clear
Kotal Engineering INC
Hidden Hills, CA · CSLB #1049765 · as of October 8, 2026
Active · clear
Kotermak
Orangevale, CA · CSLB #892831 · as of October 8, 2026
Active · clear
Kott Marina Construction INC
Oxnard, CA · CSLB #910824 · as of October 8, 2026
Active · clear
K O Underground Construction INC
Winters, CA · CSLB #744574 · as of October 8, 2026
Active · clear
Kpa Constructors INC
Pasadena, CA · CSLB #1027883 · as of October 8, 2026
Active · clear
K & P Kelly INC
Windsor, CA · CSLB #510770 · as of October 8, 2026
Active · clear
K Plumbing INC
Burbank, CA · CSLB #765737 · as of October 8, 2026
Active · clear
Kprs Construction Services LLC
Brea, CA · CSLB #751130 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.