Earth Tool Corporation
Eastern Driller's Manufacturing Co., Inc.
Faber Hans Jurgen
Fetter Duane H.
Fields Randall T.
Florida Pneumatic Manufacturing Corp.
Galbinshtein Alexandr Nisovich
Gefro Oilfield Services
Gonterman Robert N.
Gurkov Konstantin Stepanovich
Haas Jon A.
Harris Dwight
Hesse Alfons
Hnat William P.
Industrial Engineering, Inc.
Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk SSSR
Ivinsky Vasily I.
Jack A. Milam
Jacquemet Georges
Jarman Davis R.