Roberton & Schwartz, Inc.
Royce Equipment Company, Division of McGinnes Manufacturing Co.
Sanderson Floyd W.
Schell William E.
Schmidt Adolf G.
Sokol Dennis
Stas Societe Technique d'Accessoires Specialises
Stroberg Rolf
Sword Alexander F.
Thaule Birger Hellmann
van Huuksloot Leendert
Varitrac A.G.
Verschure Petrus Joseph Marie
Wirkkala Ben
Wolfe Hunter