Donaldson Company
Exhaust systems—Air induction systems—Diesel emission control—OE and retrofit mufflers
Firwin Corporation
Removable thermal insulation for engines, exhaust systems, catalytic converters and particulate filters
MIRATECH
Industrial engine exhaust catalyst: NSCR, SCR and DPF—Exhaust silencers—Air/fuel ratio controllers—RICE NESHAP monitors—Turnkey installation service, project management, onsite services and training.