AB Lectrotechnic
Aerotrans Rohrpostanlagen Gesellschaft m.b.H.
Albert Morton B.
American Fly Ash Company
Anders Walter G.
Bakerink Allan
Beck Robert J.
Benjamin Fred W.
Bergstrom David A.
Boyle Bede A.
Chepov Sergei J.
Colley John C.
Collins Harold E.
Cyclonaire Corporation
DEC Machinery S.A.
DePietro Mark A.
Drobadenko Valery P.
Du Hongliu
Farabaugh Daniel G.
Foley Gary W.