ADA-ES, Inc. (ADA) develops, offers, and implements environmental technologies and provides equipment and specialty chemicals that enable coal-fueled power plants to meet emissions regulations by enhancing existing air pollution control equipment. The Company�s wholly owned subsidiaries include Advanced Emissions Solutions, Inc., ADA Intellectual Property, LLC and ADA Environmental Solutions, LLC. ADA holds a 42.5% controlling interest in Clean Coal Solutions, LLC. It operates in three segments: Refined coal (RC), Emission control (EC) and CO2 capture (CC). The Company is a supplier of mercury control equipment and services to the EC markets. It also offers dry sorbent injection systems (DSI) to control SO2 and acid gases. Products, such as the Company's CyCleanTM and M-45TM technologies, its pre-combustion coal treatment processes that provide electric power generators mercury emission control.