The Association of Diesel Specialists (ADS) is the worldwide diesel industry’s leading trade association, with members in over 56 countries.

Robert Bosch LLC is a major manufacturer and developer of diesel fuel injection components and technologies.

Delphi is a leading manufacturer of OEM and aftermarket fuel injection components.

Denso Heavy Duty, formerly Nippon-Denso, is a global manufacturer of diesel fuel pumps, injectors, and other components.

The Diesel Technology Forum is a website devoted to new developments in the technology that drives the diesel industry.

Stanadyne is the largest North American Diesel pump Manufacturer and a leader in the Diesel industry. Their innovative designs have led the North American market.

TDIClub is a website  dedicated to the VW TDI (Turbo Direct Injection Diesel) engine.

VW Diesel is a reference website and discussion forum frequented by diesel and performance enthusiasts, mainly geared towards Volkswagen Group diesel engines, both direct and indirect injection.

Yanmar manufactures a wide variety of components for heavy duty industrial, construction, and agricultural diesel equipment.