1. University of Missouri, Division of Plant Sciences, Delta Research Center, P.O. Box 160, Portageville, MO 63873
2. Conservation Seeding and Restoration, Inc. 506 Center Street West, Kimberly, ID 83341 U.S.A
3. Bootheel Crop Consultants, 16000 County Road 624, Dexter, MO, 63841
4. RiceTec, Inc., P.O. Box 17396, Jonesboro, AR 72403