GESi® is a renowned brand in the field of emissions control solutions. As a leader in the industry, GESi® is committed to designing, developing, and manufacturing cutting-edge solutions that not only meet but exceed local environmental regulations. With a focus on power generation, on and off-road heavy-duty equipment, and high-performance automotive and passenger truck applications, GESi® offers a wide range of products and services to cater to different sectors.

For the stationary power market, GESi® provides emissions solutions for power generation and cogeneration, supporting over 40 EPA certifications on 10,000+ stationary engines. In the on-road sector, GESi® offers aftermarket emissions solutions for both light and heavy-duty applications, including diesel particulate filters and diesel oxidation catalysts. Additionally, GESi® provides OEM solutions for on-road vehicles, certified by the EPA and California Air Resources Board (CARB) for tier-1 manufacturers.

In the performance aftermarket, GESi® offers a full line of high-performance catalytic converters that meet and exceed EPA standards. For off-road applications, GESi® provides emissions solutions for construction, mining, material handling, and freight containers. With over 20 years of experience, GESi® is known for its industry-leading emissions control technologies.

Their team of experienced engineers and chemists specialize in emissions coating technologies, utilizing proprietary wash coat technology. GESi® takes pride in their government agency certification expertise and the fact that all their products are designed and manufactured in North America. Whether you have a custom emissions requirement or need off-road or on-road emission control solutions, GESi® is here to help.

Their expertise and dedication to reducing smog and greenhouse gas emissions from various commercial fuel burning engines make them the go-to brand in the industry