Havens Irvin F.
Haverty Donncha
Hawkins James H.
Hawley Royal T.
Hayakawa Yasuhiro
Hayes Christopher Derek
Hayes Duane J.
Heacox Gary L.
Heath Peter James
Heck Edward A.
Heckman Tom Bernard
Hedin David C.
Hedlund Harland R.
Hedson Technologies Ab
Heesemann Juergen
Heesemann Jurgen
Heffran Edward B. (jr.)
Hegenscheidt Corporation
Heger Gmbh European Diamond Tools
Heijkenskjold Mats