ATC is a national environmental consulting and engineering firm with more than 1,600 experts in 65 offices throughout the United States. 

BlueWave is an environmental consulting firm that provides strategic planning and project support services to a variety of private and public organizations, with a focus on public policy and regulatory strategies, community/advocacy group relations and outreach, environmental market research, brownfield development, and industrial ecology/green design. 

ERM is one of the world’s leading providers of environmental services, with more than 100 offices in 35 countries. 

The National Brownfield Association (NBA) is the premier national association dedicated to supporting brownfield professionals.

Through national and regional conferences, information resources, and educational events, the NBA provides a forum through which its members can exchange ideas.  The NBA’s strength lies in its large membership, which includes thousands of leading stakeholders in brownfield redevelopment, from federal and state regulatory officials, trade associations, and advocacy groups to private developers, insurers, and financial institutions.  ECAP president William Gildea served as secretary/treasurer of the NBA from its inception in June, 1999 until March, 2003, and continues to be actively involved in the development of this vibrant and important organization.

Weston Solutions provides integrated environmental engineering solutions that create lasting economic value for industry and government clients worldwide with particular emphasis on restoring resource efficiency - bringing facilities, land, and other resources compromised by the effects of past development back to profitable use.