Resitec Industria Quimica Ltda.
Rex J. Sims
Richard A. Wilson
Richard P. A. Sims
Richmond Jerry F.
Ricker Rainer
Riedel Tomas
Ringers Hendrik J.
Robbins Andrew
Robert E. Erickson
Robert I. Brabets
Robert J. Hlavacek
Roczniak Steven
Roderbourg Hubert
Roemer Dieter
Roest Erwin J. G.
Rohdenburg Herbert
Rohdenburg Herbert Ludwig
Rohr Rodolfo
Romani Annalisa