About ESWA

ESW America emission testing facility

We are an Emissions Focused Platform

ESW America™, a division of ESW Group, is a leading independent emissions testing company based in Montgomeryville, PA. Our state-of-the-art emissions testing facility is equipped to perform a wide variety of EPA, CARB and EU compliant services. Our facility is staffed by an experienced team of highly skilled test engineers, technicians and fabricators. With a combined total of over 100 years experience, ESW America is equipped to perform EPA and CARB emissions certification testing, durability testing, performance testing and fuel economy testing for a wide variety of engines and chassis.

Our parent company, ESW Group®, manufactures and markets a diverse line of proprietary catalytic emission conversion, emission control and emission support products and technologies for the transportation, construction, rail, marine, utility and other markets. These products are primarily designed for diesel engine applications including medium and heavy duty trucks, school buses, delivery vehicles, garbage collection vehicles. In addition to land vehicles, ESW Group technology is used in large marine engines. The company sells its emission control products through an established network of over 30 dealerships located throughout the United States, which is complemented by a team of seasoned emissions focused business development professionals, engineers and field technicians.

ESW Group is present throughout North America, including Pennsylvania, California and Ontario, Canada. ESW Group operates two manufacturing facilities spanning the United States continent, including a 20,000 square foot space located in Montgomeryville, PA and a 18,000 square foot facility located in San Diego, CA, that are dedicated to the production and assembly operations of its market leading Level III+ CARB verified diesel emission control devices.

In addition, ESW Group operates a 15,000 square feet emissions testing laboratory with eight test cells ranging from a UTV/ATV and motorcycle chassis dynamometer, to a 1,000HP engine 1065 CFR compliant transient dynamometer. This allows ESW Group a vertically integrated approach to conceptualize, obtain regulatory approvals, manufacture and commercialize new emissions based solutions for an ever changing marketplace.