These links do not indicate an endorsement by the USGS, or the WHSC. It is not a comprehensive list, but a representative one of various collaborators in industry, academia, and government.
Center for Coastal and Ocean Mapping
GeoAcoustics, Inc. (GeoPulse systems)
Hydrographic Society Technical Reports - Efficiency of Interferometric Sonars
L3 Communications (Klein Associates)
Ocean Mapping Group, University of New Brunswick
Odom Hydrographic systems, Inc.
The Geographer’s Craft Project