Raby David Michael
Remmele Paul
Rex Robert G.
Reyneveld Willy
Roy, Sr. Marc
Sanders Pre-Cast Concrete Systems.
Schuylkill Products, Inc.
Shear Force Wall Systems Inc.
Silver Douglas T.
Silver Metal Products, Inc.
Silver Silver Metal Products, Inc.
Site Photometrics, Inc.
Snavely Donald D.
Societe Civile des Brevets de Henri Vidal
Spragg Robert J.
Superior Precast, Inc.
Tenbrummeler Bert
Tinsley C. Roscoe
Tschan J. Donald
U.M.C., Inc.