Guigne International Limited
Guthmann Pierre
Hagemann Julius
Hammack James A.
Hansen Rolf Kahrs
Harned Nancy J.
Harre Ingo
Hediger Timothy B.
Howells David J.
Hull Underwater Imaging Systems, Inc.
Ingram Robert
Institute of Acoustics Chinese Academy of Sciences
IXBLUE
Ixsea
Ixwaves Sarl
Jan Didier
Jones Charles H.
Kawabata Yasuo
Kerfoot Ian B.
Klindt Holger