President's Club ($10,000+)
Bank of America Corporation
The Starbucks Foundation

Director's Circle ($5,000 - $9,999)
Croft Leominster
REI

Executive Partner ($2,500-$4,999)
McCormick & Company, Inc.
Provident Bank
T. Rowe Price Associates Foundation, Inc.
RBC Dain Rauscher, Inc.
W.P. Carey and Company

Benefactors ($1,000-$2,499)
Bay National Bank
Biohabitats, Inc.
Black & Decker Corporation
Ecological Restoration & Management, Inc.
Mercantile Bank & Trust Company
Nottingham Properties, Inc.
Ohio Art Company
Toyota Motor Sales, USA, Inc.
Venable Foundation

Patrons ($500-$999)
Coffee with T
Colliers Pinkard
Harbor Bank of MD
Hardesty Capital Management
Semmes, Bowen & Semmes

Donors ($250-$499)
Bendann Art Galleries, Inc.
Carroll Tree Service, Inc.
Clifton Gunderson LLP
CRW Parts, Inc.
J.J. Haines & Company, Inc.
Loan Brothers, Inc.
Manekin Corporation
The Wine Merchant, Inc.

Sustainers (under $250)
DeVilbiss Printing
Meyer Seed Company of Baltimore, Inc.
Stewart, Plant & Blumenthal, LLC
Sylva Native Nursery
W.D. Groff & Son, Inc.
Wilgis and Associates, Inc.