Reese Robert O.
Reichert Ralph
Reichmann Werner
Relman Bohlen John
Rem Peter Carlo
Remund Ulrich
Renneberg Horst
Research Corporation
Research Cottrell Environmental Services & Technologies
Research Cottrell Inc.
Research-Cottrell
Reuffurth Rainer
Reyes Victor
Rhodes Keith J.
Riccius Oliver
Richard R. Cook
Richardson Joseph
Riehl Richard T.
Rieke Johannes C.
Ries Guenter