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 El Monte, CA
10 credentialed testers in El Monte.
Testers in El Monte
Recommended · Featured Partner
5— on Google ReviewsClean Truck Check Pro
Mobile CARB-credentialed Clean Truck Check testing serving Southern California.
MobileOBDMotor Home
Alex Yu
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Arturo Basurto
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Byron Marroquin
MobileOBDMotor Home
CTRD MOBIL SERVICE
FAUSTO GARCIA
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
SpeedTrucking Inc
Honghai Xu
OBDOVIOVI tests are required for 2012 and older engines
SRS AUTOMOTIVE
James Lim
OBDMotor Home
Jason Diesel Quick Test
Jose Sanchez
MobileOBDMotor Home
sam smog
tam luu
MobileOBDMotor Home
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.