Licensed General Engineering (A) contractors in California

The California Contractors State License Board (CSLB) lists 15,260 California contractors classified A (General Engineering (A)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of July 9, 2026.

Showing 11,461–11,520 of 15,260 contractors

Royal Gardens Landscape INC
Moorpark, CA · CSLB #682811 · as of July 9, 2026
Active · clear
Royaltech Services
La Puente, CA · CSLB #638729 · as of July 9, 2026
Active · clear
Royalty Construction
Atascadero, CA · CSLB #773821 · as of July 9, 2026
Active · clear
Roy Brothers Drilling INC
Camarillo, CA · CSLB #784714 · as of July 9, 2026
Active · clear
Darrell Roy Enterprises INC
Camarillo, CA · CSLB #651852 · as of July 9, 2026
Active · clear
R P Cable & Engineering
El Cajon, CA · CSLB #1069999 · as of July 9, 2026
Active · clear
R P Engineers
National City, CA · CSLB #456678 · as of July 9, 2026
Active · clear
R P General Construction Engineering
Valley Center, CA · CSLB #921361 · as of July 9, 2026
Active · clear
R P M Construction Management INC
Torrance, CA · CSLB #930216 · as of July 9, 2026
Active · clear
RPM Development And Engineering LLC
Los Gatos, CA · CSLB #1083258 · as of July 9, 2026
Active · clear
RP Vititow Construction Corp
Signal Hill, CA · CSLB #955760 · as of July 9, 2026
Active · clear
RR2 Engineering INC
Acton, CA · CSLB #1072813 · as of July 9, 2026
Active · clear
R R A Construction INC
San Francisco, CA · CSLB #1063249 · as of July 9, 2026
Active · clear
R & R Construction
Shingletown, CA · CSLB #867686 · as of July 9, 2026
Active · clear
R R Construction
Corona, CA · CSLB #838439 · as of July 9, 2026
Active · clear
R & R Demo And Grading Corp
Ventura, CA · CSLB #976014 · as of July 9, 2026
Active · clear
R & R Engineering CO
Moreno Valley, CA · CSLB #1116245 · as of July 9, 2026
Active · clear
R R Gonzalez Construction
Coachella, CA · CSLB #497347 · as of July 9, 2026
Active · clear
R&R Horn Contractors INC
Chico, CA · CSLB #958638 · as of July 9, 2026
Active · clear
R & R Maher Construction Company INC
Napa, CA · CSLB #508930 · as of July 9, 2026
Active · clear
R/R Management And Development
Escondido, CA · CSLB #1051948 · as of July 9, 2026
Active · clear
R & R Mountain Enterprises INC
Groveland, CA · CSLB #991183 · as of July 9, 2026
Active · clear
R & R Pacific Construction DBA R & R Pacific Excavation
Woodland, CA · CSLB #991942 · as of July 9, 2026
Active · clear
R & R Pipeline Incorporated
Santa Paula, CA · CSLB #639211 · as of July 9, 2026
Active · clear
RSB Construction Group INC
San Francisco, CA · CSLB #1086260 · as of July 9, 2026
Active · clear
R & S Construction
Fillmore, CA · CSLB #889551 · as of July 9, 2026
Active · clear
R S Construction
Davis, CA · CSLB #714990 · as of July 9, 2026
Active · clear
R & S Construction Management INC
San Francisco, CA · CSLB #992019 · as of July 9, 2026
Active · clear
R S Construction Services INC
Cerritos, CA · CSLB #768911 · as of July 9, 2026
Active · clear
R S H Construction INC
Atascadero, CA · CSLB #764498 · as of July 9, 2026
Active · clear
R & S Industrial Field Service INC
Victorville, CA · CSLB #963639 · as of July 9, 2026
Active · clear
Rsi Remediation LLC
Tempe, CA · CSLB #1108897 · as of July 9, 2026
Active · clear
RSM
Fort Mohave, CA · CSLB #680861 · as of July 9, 2026
Active · clear
R S M 2 Contractors INC
La Mesa, CA · CSLB #819649 · as of July 9, 2026
Active · clear
R S M Concrete Polishing INC
Ventura, CA · CSLB #996406 · as of July 9, 2026
Active · clear
R S & M Construction INC
Sugarloaf, CA · CSLB #847570 · as of July 9, 2026
Active · clear
RS Milestone General Engineering INC
Patterson, CA · CSLB #1115959 · as of July 9, 2026
Active · clear
R S One Plumbing
Burbank, CA · CSLB #668384 · as of July 9, 2026
Active · clear
RSR Contracting
San Diego, CA · CSLB #1133995 · as of July 9, 2026
Active · clear
R S S E INC
Redding, CA · CSLB #957228 · as of July 9, 2026
Active · clear
R S Services
West Sacramento, CA · CSLB #612231 · as of July 9, 2026
Active · clear
R S T Cranes INC
Tehachapi, CA · CSLB #927550 · as of July 9, 2026
Active · clear
R Sutton Enterprises LLC
Vallecito, CA · CSLB #1101339 · as of July 9, 2026
Active · clear
Rta Construction INC
Redding, CA · CSLB #862067 · as of July 9, 2026
Active · clear
RTB General Engineering INC
Oroville, CA · CSLB #1127786 · as of July 9, 2026
Active · clear
Richard Townsend Construction INC DBA R T C
Oakdale, CA · CSLB #680616 · as of July 9, 2026
Active · clear
R T Contractor Corp
Garden Grove, CA · CSLB #755720 · as of July 9, 2026
Active · clear
RT Finish Grading LLC
Santa Ana, CA · CSLB #1114214 · as of July 9, 2026
Active · clear
RTL Concrete Construction
Poway, CA · CSLB #1130922 · as of July 9, 2026
Active · clear
Rubacon INC
Herald, CA · CSLB #972202 · as of July 9, 2026
Active · clear
Rubalcaba Enterprises
San Clemente, CA · CSLB #988281 · as of July 9, 2026
Active · clear
Rubecon Builders INC
San Francisco, CA · CSLB #734031 · as of July 9, 2026
Active · clear
Ruben & Ramon
Newark, CA · CSLB #797855 · as of July 9, 2026
Active · clear
Rubicon Engineering Corporation
Orange, CA · CSLB #850419 · as of July 9, 2026
Active · clear
Applied Diving Services INC DBA Rubicon Pacific Marine
Conroe, CA · CSLB #942354 · as of July 9, 2026
Active · clear
Rubik Built LLC
Modesto, CA · CSLB #1047188 · as of July 9, 2026
Active · clear
Rubix Engineering
Irvine, CA · CSLB #1122155 · as of July 9, 2026
Active · clear
Ruby's Builder INC
Jurupa Valley, CA · CSLB #815758 · as of July 9, 2026
Active · clear
Rudolph & Sletten INC
Menlo Park, CA · CSLB #198069 · as of July 9, 2026
Active · clear
Rudolph & Sletten INC / Tutor Perini Building Corp Joint Venture
Menlo Park, CA · CSLB #952158 · as of July 9, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 9, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.