The Canadian Space Geodesy Forum (Scientists and engineers working with the techniques of space geodesy: Navstar, GPS, Glonass, Transit, very long baseline interferometry, satellite laser ranging, satellite altimetry, etc.)
Cape Compass (Complete magnetic compass service, West Falmouth, Massachusetts)
CAPN Software (The Capn electronic charting and navigation software)
Lake Champlain Publishing Company (publisher and distributor of books and charts for the Hudson River, Champlain Canal, Lake Champlain, Richelieu River, Chambly Canal, & St. Lawrence River)
Landfall Navigation (Retailer of charts, offshore safety and navigation equipment, Stamford, Connecticut)
National Ocean Service's MapFinder (NOS, direct Internet access to primary NOS imagery and data holdings for coastal photography, nautical charts, coastal survey maps, environmental sensitivity index maps, hydrographic surveys, water level stations, and geodetic control points)
Nomad Electronics (Pocket Stars celestial navigation software for Pocket PCs)
North Sea Navigator, Inc. (Magnetic compasses, compass repair and adjusting service, clocks, barometers, sextants, plotting tools, charts, binoculars, radar reflectors, etc., Northport, New York)
OceanGrafix (Up to date NOAA nautical charts printed on demand)
Rose Point Navigation Systems. (Rose Point ECS & Coastal Explorer™ navigation software packages for raster and vector charts and the nemo gateway™ NMEA interface, Redmond, Washington)
