The Danforth Plant Science Center receives financial support in the form of gifts and sponsored research funding from a variety of government, foundation and industry sources. For purposes of transparency and disclosure, these sources are listed below.

 Ameren Corporation Charitable Trust  Maritz Inc.
 Aon Foundation  Mary R. Wolff Real Estate Management Co.
 Bank of America  McCarthy Building Companies Inc.
 The Bellwether Foundation  Mid-America Research And Development Foundation
 Benson Hill Biosystems  Missouri Technology Corporation
 Bill & Melinda Gates Foundation  Monsanto Company
 The BioAg Alliance (Monsanto)  J.P. Morgan
 BioSTL  National Science Foundation
 The Boeing Company Gift Matching Program  NewLeaf Symbiotics
 Bryan Cave  North Central Soybean Research Program
 BSA LifeStructures Inc.  Novus International, Inc.
 Build-A-Bear Workshop Inc.  The Oliver Group LLC
 Bunge North America Foundation  Pfizer Foundation
 Burns and McDonnell Foundation Matching Gifts Fund                  PNC Financial Services Group Inc
 Butler's Pantry  The PNC Foundation
 Cee Kay Supply  Prolog Ventures, LLC
 Christner Inc.  Rockefeller Foundation
 Clayco  RubinBrown Charitable Foundation
 Cotton Incorporated  Sigma-Aldrich Foundation
 CSI Leasing, Inc.  St. Louis Economic Development Partnership
 Darwin Chambers Company  St. Louis Regional Chamber
 Edward Jones  Stifel, Nicolaus & Company, Inc.
 Flad Architect  Stupp Bros. Bridge & Iron Co. Foundation
 Foundation For The National Institutes Of Health  Tarlton
 Guarantee Electrical Company  Thompson Coburn LLP
 Howard G. Buffett Foundation  Two Blades Foundation
 Husch Blackwell  U.S. Agency for International Development
 The International Companies  U.S. Department of Agriculture
 Intoximeters, Inc.  U.S. Department of Energy
 Iowa Corn Promotion Board  U.S. Department of Health and Human Services
 KWS SAAT SE  University Of Missouri
 Landmark  Valent Biosciences (SyMyco partner)
 Macy's Foundation  Wexford Science + Technology
 Mahidol University  The Yield Lab
 Mallinckrodt Inc.