DES (Diesel Emissions Service) has a proven track record in the HD aftertreatment arena. We are professionals who take care of all your diesel aftertreatment maintenance and emissions compliance needs, providing you with confidence when it comes to meeting important industry guidelines and regulations.
Our extensive knowledge and experience in diesel engines make us the leading choice for emissions-related retrofitting, expert DPF cleaning, EGR service, and OEM replacements. Some of our locations specialize in general diesel repair as well.
Diesel Emissions Service (DES) began its operations in 2006 as the emissions division of parent company North State Truck Equipment, Inc., which has been serving the heavy duty truck market since 1978. DES was established to help California businesses meet and exceed the strict CARB and EPA emissions regulations placed on diesel trucks. Since 2006, DES has sold and/or installed over 15,000 emission control devices, and is now an industry leader in diesel emissions on the west coast and beyond.