The group’s principle activities include designing and manufacturing engineering products. The group’s product categories include Cold Start and Emission Control, Long Haul Convenience and Comfort and Intake and Exhaust Silencing. The group’s products include Engine Pre-Heating Systems, Intake Air Heating Systems, Cab Power(R) Systems, Auxiliary Heaters, Blower Solencers, Air Filtration products and Exhaust System Accessories. The group operates from United States.