American Council Of Engineering Companies Of Pennsylvania

American Institute Of Architects--Pennsylvania

American Society Of Civil Engineers

American Water Works Association, Pennsylvania Section

County Commissioners Association Of Pennsylvania

County Departments Of Health, Local Health Agencies

Governor’s Policy Office

Mortgage Bankers Assoc. Of Pennsylvania

Pennsylvania Assoc. Of Plumbing, Heating & Cooling Contractors, Inc.

Pennsylvania Assoc. Of Professional Soil Scientists

Pennsylvania Association Of Realtors

Pennsylvania Assoc. Of Sewage Enforcement Officers

Pennsylvania Bar Association

Pennsylvania Builders Association

Pennsylvania Environmental Council, Inc.

Pennsylvania Municipal Authorities Association

Pennsylvania Septage Management Association

Pennsylvania Society Of Professional Engineers

Pennsylvania State Association Of Boroughs

Pennsylvania Association Of Township Commissioners

Pennsylvania Landowners Association, Inc.

Pennsylvania State Association Of Township Supervisors

Pennsylvania Vacation Land Developers Association

Pennsylvania Water Environment Association

The Pennsylvania State University

U.S. Department Of Agriculture Rural Development Mission Area

Pennsylvania Onsite Wastewater Recycling Association, Inc.

Department Of Community And Economic Development

League Of Cities And Municipalities

National Assoc. Of Water Companies, Pennsylvania Chapter

Pennsylvania Environmental Health Association -- organization no longer exists

Pennsylvania Planning Association

U.S. Department Of Housing And Urban Development -- organization has voluntarily withdrawn from participation, internal policies appeared to forbid further participation