Birchtech 

Midwest Energy Emissions Corp., an environmental services and technology company, engages in developing and delivering solutions to the power industry worldwide. It provides mercury capture solutions. Its Sorbent Enhancement Additive (SEA) technology provides total mercury control, providing solutions that are based on a thorough scientific understanding of actual and probable interactions involved in mercury capture in coal-fired flue gas. The company was incorporated in 1983 and is headquartered in Corsicana, Texas.