Navigation Data Center
www.iwr.usace.army.mil/ndc
This site contains data related to the navigable waterways in the United States. Many of the BargeEx™ Master Values come from this website.

US Coast Guard Links

Port State Information eXchange (PSIX) System
cgmix.uscg.mil/PSIX/Default.aspx
This site contains vessel specific information derived from the United States Coast Guard's Marine Information Safety and Law Enforcement System (MISLE) which is updated weekly.

NOAA Fisheries Vessel Documentation
www.st.nmfs.gov/st1/CoastGuard/index.html
This site is hosted by the US Department of Commerce, National Oceanic & Atmospheric Administration, NOAA Fisheries: Office of Science & Technology. The site contains the United States Coast Guard's (USCG) vessel data base which is updated monthly. It provides for searching and extracting vessel characteristic, documentation, and ownership data.

Miscellaneous Links

The American Waterways Operators
www.americanwaterways.com
The American Waterways Operators (AWO) is a national trade association for the U.S. tugboat, towboat and barge industry.