State Agencies

Massachusetts Office of the Attorney General
Massachusetts Department of Conservation and Recreation
Massachusetts Department of Transportation
Massachusetts Water Resources Authority
Massachusetts Division of Capital Asset Management
Massachusetts Bay Transportation Authority
Massachusetts Department of Agricultural Resources

Financial Institutions

Bank of America
Sovereign Bank
Middlesex Savings Bank
Mercantile Bank
Brookline Savings Bank
Wellesley Bank
Northern Trust Corporation

Cities and Towns

City of Boston
Town of Needham
Town of Wayland
Town of Wellesley
City of Somerville
City of Everett
Mansfield Department of Public Works
Acton Water District
Springfield Redevelopment Authority
Lunenburg Water District
Town of Sunderland
Town of Northborough

Corporate and Institutional

CSX Corporation
Coca Cola Enterprises, Inc.
The Community Builders, Inc.
Harvard Law School
W.D. Cowls
Massachusetts Audubon Society
Kestrel Land Trust
Sterling Land Trust
The Trustees of Reservations
Sudbury Valley Trustees
Groton School
Greystone & Co., Inc.