H. H. Giodvad Grell
H. H. Hawkins Ltd.
H.p.m. Industries Pty Limited
Ha Simon
Haag Thomas
Haaks Andreas
Haas Gunter
Haas Kurt W.
Habeger Charles C. Jr.
Hackenbuchner Stefan
Hadfield Robert Henry
Haederle Markus
Haeusser-Boehm Helmut
Haeutle Ulrich
Haga Hiroyo
Hageman Richard A.
Hagen (rolf C.) (usa) Corp.
Hagisawa Nobuyasu
Hagiwara Jun
Hagman Ronny Kent