Advanced Catalyst Systems is a vertically integrated catalyst manufacturer and supplier specializing in power generation, internal combustion engines, catalytic oxidizers, and inert gas production plants. They offer services such as process design, in-house laboratory testing, catalyst washing, and custom product development. The company focuses on developing and patenting catalysts for nitrogen oxide, carbon monoxide, and sulfur oxide abatement from combustion exhaust, with a mission to protect the environment and promote sustainability. ACS is based in Maryville, Tennessee, and prides itself on quality, timeliness, and customer-centric approach in providing eco-friendly solutions for reducing carbon emissions and conserving natural resources.