Emission Control Systems

AirProtekt Limited
Industrial air pollution control systems—Catalyzed particulate filters—DeNOx & oxidation systems

Argillon GmbH
SINOx SCR catalysts for automotive applications—Catalysts and complete SCR systems for marine and stationary engines

BASF Catalysts LLC
Emission control catalysts—Diesel particulate filters—Zeolite and vanadium based SCR catalysts

Baumot AG
Diesel particulate filters—Engines and engine components

Catalytic Exhaust Products
Catalytic converters for off-road vehicles and stationary engines

CleanAIR Systems, Inc.
Catalytic products for diesel, propane & gasoline engines

Cleaire Advanced Emission Controls
Development and sale of retrofit emission control technologies

Donaldson Company
Diesel emission control systems—Diesel oxidation catalysts—Particulate filters—Crankcase filtration/ventilation—OE and retrofit mufflers

Doubletree Technologies
Trap/EGR technology for PM and NOx control from heavy-duty diesel engines

Ecocat Oy
Emission control catalysts—Metal substrate catalytic converters for automotive and stationary engines—Industrial VOC emission control

EMCON Technologies
Diesel Particulate Filters—Active particulate filter regeneration systems—Selective catalytic reduction (SCR) systems

Engine Control Systems
OE and aftermarket emissions control systems for diesel, propane, gasoline and natural gas engines

HJS Fahrzeugtechnik
Exhaust gas aftertreatment systems for diesel and petrol engines—Sintered Metal Filter (SMF®)

Johnson Matthey
Diesel and automotive catalysts—Catalytic Mufflers—DeNOx and SCR catalysts for stationary engines—Industrial VOC control catalysts

MIRATECH Corporation
Catalytic converters for large stationary engines—SCR NOx reduction systems—Air/Fuel ratio controllers

Nett Technologies Inc.
Catalytic emission control for off-road vehicles, buses, trucks, and stationary engines

Proventia Emission Control
Emission control systems for off-road and stationary diesel and petrol engines

Rypos Inc.
Actively regenerated diesel particulate filter system

ServoTech Engineering
SCR and particulate filter systems—Control systems for SCR catalysts and particulate filters

STT Emtec AB
DNOx, an EGR-based diesel NOx reduction system for OEM and retrofit applications

Süd-Chemie Inc., Air Purification
Diesel oxidation catalysts—Diesel particulate filters—DeNOx and SCR catalysts—Industrial VOC control catalysts