Rennesund Roy
Rentel Claus André Frank
Rentiers Machinery Proprietary Ltd.
Repin Boris N.
Replogle Randall W.
Republic Geothermal, Inc.
Research and Development Company Bifar (RU/RU)
Research Association of Biotechnology for Organic Fertilizer
Research Dev. Corp. of Japan
Research Institute of Innovative Technology for the Earth
Resetarits Michael Robert
Resing Thomas A.
Reslin Rothenberg Farley & Mesiti P.C.
Resource Biology Research Institute Co., Ltd.
Resourceful Environmental Ideas, Inc.
Resources Conservation Company
Ressler Barry
Reti Adrian R.
Rett Corporation
Rettig Horst