Mark H. McKinnies

ADA-ES, Inc. provides environmental technologies and specialty chemicals. The company was founded in 1997 and is headquartered in Highlands Ranch, CO.

Earth Sciences, Inc. is a mineral exploration and development company. The company owns a facility in Calgary, Alberta, Canada; alunite properties which contain alumina, sulfur and potash; and other mineral properties and prospects. It intends to focus its resources in furthering its mineral exploration activities and alternative uses for the Calgary plant. Earth Sciences was founded by Duane N. Bloom & Ramon E. Bisque on October 25, 1957 and is headquartered in Littleton, CO.

Clean Coal, Inc. engages in exploration and mining of coal. The company is headquartered in Palo Alto, CA.

ADA Carbon Solutions LLC engages in the provision of powdered activated carbon products optimized for mercury compliance in emission control applications. Its products include fastpac series, fastpac premium, and powerpac premium. The company was founded in 2008 and is headquartered in Littleton, CO.