American Welding Society

Center for Coastal & Ocean Mapping, Joint Hydrographic Center (JHC)

Maritime News from the World News Network

National Association of Corrosion Engineers

National Geographic

National Oceanic and Atmospheric Administration

National Weather Service

NOAA/NOS CO-OPS Tide Predictions

Office of Naval Research

R2Sonic (manufacturer of underwater acoustic equipment)

US Army Corps of Engineers

US Geological Survey