The members of the Diesel Technology Forum are leaders of the diesel industry, including engine and equipment makers, key component manufactures, fuel producers and emission control technology, manufacturers. Members include manufacturers such as Bosch, John Deere, CAT, Cummins, Ford, GM, Yanmar, Volvo, VW, CNH, Honeywell, Delphi, Isuzu, Borg Warner, Agco, Mazda and many others.
http://diesel.org/cms/wp-content/uploads/Allen-Schaeffer.pdf