Recommended · Featured Partner
5— on Google ReviewsSmart CTC
Test your truck ANYWHERE in the USA, Canada or Mexico without scheduling shop visits or mobile testers.
RemoteOBDMotor Home
Clean Truck Check in Carson, CA
10 credentialed testers in Carson.
Testers in Carson
Recommended · Featured Partner
5— on Google ReviewsClean Truck Check Pro
Mobile CARB-credentialed Clean Truck Check testing serving Southern California.
MobileOBDMotor Home
ALEJANDRO MORENO
MobileOBDMotor Home
Carlos Torres
MobileOBDMotor Home
91 Bravo - Mobile Service Los Angeles
Christopher Herrera
MobileOBDMotor Home
CARB EMISSION SERVICES INC
DANIEL ACOSTA
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Jocelin Sanchez Cruz
MobileOBD
SMOKE CHECK MEDIC
JUSTIN ACOSTA
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
91 Bravo - Mobile - Los Angeles/OC
Renee Torres
MobileOBDMotor Home
Ace Mobile Truck Smog
Xavier Owens
MobileOBD
Trucking activity in Los Angeles County
Clean Truck Check applies to heavy-duty vehicles that operate in California — including out-of-state trucks based here that run loads west.
Trucking establishments
5,780
Trucking employees
39,203
Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.