Hirabayashi Tomoki
Hydac Fluidtechnik GmbH.
Ichihashi Koji
Ing. Guenter Klemm Bohrtechnik GmbH
Ioku Kensuke
Jackson Alan
Joelson Karl Evert Anders
Khramtsov Alexandr A.
Kim Jin-Wook
Kooriyama Masayuki
Koppel AG
Kowalyk Vladimir M.
Kowatari Youichi
Kropp Walter
Leeman Gerard
Luh Joachim
Lull Engineering Company, Inc.
Maeda Fujio
Mamei Enrico
Mamei Eronne