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.

Each location is well equipped to tackle all manner of work (emissions and otherwise) including School Buses, On-Road, Off-Road, and Municipal applications.