H.C. Associates, PLC
Haake Rainer
Habib Youssef M.
Hacker Manfred
Hagiwara Hirotoshi
Hagiwara Jun
Halasz Ferenc
Halbrook Jack C.
Hallacher L. L.
Halo, Inc.
Halogen Technologies, Inc.
Hamamoto Yasuhiro
Han Chia-jung
Han In-Taek
Han Sung
Handy & Harman (NY Corp.)
Hanley Britt D
Hansen Steven C.
Hansler Richard
Hara Tetsuro