B. Bruce Cummings

Waterlink, Inc. is an international provider of integrated water and air purification solutions for both industries and municipal customers. It uses carbon to purify air, water and gases by retaining impurities in carbon granules. The company supplies activated carbon for liquid, air and gas filtration systems and is a leading manufacturer of specialty-impregnated carbons used in applications where the capacity of activated carbons can be significantly increased. It was founded on December 7, 1994 and is headquartered in Canton, OH.

GSE Environmental, Inc. manufactures and markets geosynthetic lining products and services. Its products include geomembranes, geosynthetic clay liners, geogrids, and liner integrity monitoring system. The company was founded in 1972 and is headquartered in Houston, TX.