Chairman's Advisory Council (Penyumbang dengan sumbangan di atas $25,000 per tahun)
• Caterpillar, Inc.
• Asosiasi Pengusaha Hutan Indonesia (APHI)

President's Round Table (Penyumbang dengan sumbangan $10,000 - $25,000 per tahun)
• International Wood Products Association (IWPA)
• Michael Weinig, AG
• Stihl Inc.
• The Penrod Company
• WTK Group of Companies

Penyumbang Tetap (sumbangan $5,000 - $10,000 per tahun)
• PT. Erna Djuliawati
• Architectural Woodwork Institute (AWI)
• Crown Hardwood Veneers Corp.
• Herman Miller
• Homag Gruppe
• National Hardwood Lumber Association (NHLA)
• Patriot Timber Products International, Inc.
• Plywood Tropics USA, Inc

Penyumbang Asosiasi (sumbangan per tahun $1,000 - $5,000)
• A. van den Berg
• Akira Wood, Inc.
• Brookside Veneers, Ltd.
• Clarke Veneers and Plywood
• David R. Webb
• Dean Hardwoods
• Diamond Hardwoods
• DLH Nordisk, Inc.
• Dooge Veneers, Inc.
• Fetzers, Inc.
• Heinrich Kuper GmbH & Co.
• Herzog Veneers, Inc.
• Hessemann
• Hird/Blaker
• Hollywood Woodwork, Inc.
• Merritt Woodwork
• Mission Bell Manufacturing
• New World Millworks
• Newman Lumber Company
• Portico, S.A.
• Principal Fixtures and Millwork, Inc.
• Quality Woodwork Interiors, Inc.
• Robinson Lumber Company
• Sabra International
• States Industries, Inc.
• Swaner Hardwood
• T. Baird McIlvain International Company
• Thomasville Furniture
• Thompson Mahogany
• Timber Holdings Limited
• Tradeleaf, LLC
• Veneer Products
• Woodworking Machinery Industry Assoc. (WMIA)

Lain (sumbangan di bawah $1,000 per tahun)
• J&J Forest Products
• Jutras Woodworking
• Wood Mill Products
• Wright Architectural Wood

Lembaga Donor
• Alfred Jurzykowski Foundation USA
• Andreas Stihl Moto-Serras Ltda.
• Caterpillar do Brasil Ltda.
• Center for International Forest Research (CIFOR)
• Cikel Brasil Verde S.A.
• David and Lucile Packard Foundation USA
• Department for International Development United Kingdom (DFID)
• EMBRAPA - Brazilian Corporation for Agricultural Research
• FCO - Foreign and Commonwealth Office - British Embassy
• Ford Foundation - Brazil
• Gethal Amazonas S.A.
• Guyana Forestry Commission
• IBAMA - Brazilian Institute for the Environment and Natural Resources
• Institute of Environmental Research in the Amazon (IPAM)
• Institute of Man and Environment of the Amazon (IMAZON)
• International Institute of Tropical Forestry (IITF)
• International Tropical Timber Organization (ITTO)
• Jarcel Celulose S.A.
• John D. and Catherine T. MacArthur Foundation - USA
• Juruá Florestal Ltda.
• Pro-Manejo - PP-G7 - KfW - GTZ
• Summit Foundation USA
• Tinker Foundation - USA
• The World Bank - The State of Mato Grosso - FEMA - PRODEAGRO
• USAID - Brazil Office, Latin America and Caribbean Office, and Global Bureau
• USDA Forest Service - International Programs
• WWF-SUNY - IIEB - World Wildlife Fund - State Univ. of New York - Int. Educ. Inst. of Brazil

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