Maptech  
   NOAA nautical charts for marine navigation with marine viewing and navigation software. Also cruising guides on CD ROM.
   http://www.maptech.com

Intelliscan  
   Chart Catalogue that maintains a list of all Admiralty paper and ARCS charts. Downloadable trial version which includes prices and ordering information.
   http://www.intelliscan.co.uk/chartcatalogue/

Tides and Tide Tables  
   "Tides" is an ocean tidal prediction program that produces tables and graphical data for more than 800 ports worldwide. Online ordering and can be downloaded for evaluation.
   http://www.stormy.ca/tides/index.html

Explorer Chartbooks  
   Bahamas boating and sailing navigational charts and guides. Online ordering.
   http://www.explorercharts.com/

Bluewater Books and Charts  
   Worldwide coverage of nautical charts, electronic charts, cruising guides, nautical books and marine software. Online ordering.
   http://www.bluewaterweb.com

Seafaring  
   Offers on-line ordering of marine charts, cruising guides and nautical nooks.
   http://www.seafaring.com

SoftCharts International  
   Digital charting and marine navigation products for sale online.
   http://www.softcharts.com/

Marine Chart Services  
   Buy and sell new and used charts, books, flags. World-wide coverage and world-wide delivery. Online ordering.
   http://www.chartsales.com

Map Masters Online  
   Supplies nautical charts for commercial and recreational boaters. Includes current edition NOAA charts, Maptech Embassy Guides, and waterproof charts. Prices listed. Most orders are shipped same day.
   http://www.mapmasters.com

Easy Nav Software  
   PC-based software for traditional and GPS navigation at sea or simulations on land. Prices and contact information.
   http://www.easynav.com

Lake Champlain Publishing  
   Cruising guide, charts, chart books and marine information for the Northeast's historic inland waterway from New York City to Montreal. Order online.
   http://lakechamplainpub.com

Gerry Cruising Charts  
   Provides boating information for the Sea of Cortez in 3 cruising guides and 15 navigation charts.
   http://gerrycruise.com

Jeppesen Marine  
   Offers electronic charting software, digital nautical charts, and chart training software for recreational and professional mariners.
   http://www.jeppesenmarine.com/

Boatchart  
   Provides planning tools and nautical charts, query Coast Guard and DoD navigation databases, plot routes based on light lists and cities, print tripticks. Charts are downloadable into your navigation software. Includes message forum.
   http://www.boatchart.com

Nautical Technologies  
   Electronic charting system navigation software: The Capn plots a position on electronic charts interfaced with GPS/DGPS or LORAN. Download demo available.
   http://www.thecapn.com/

Gpsy  
   Macintosh GPS communications and GIS mapping software compatible with any NMEA-0183 compatible GPS/Loran-C/DECCA or other navigational system. Demo download available.
   http://www.gpsy.com/

Captn. Jack's  
   Sells nautical software for computer and GPS-based electronic charting and marine navigation, seamanship and other marine software, boating safety and survival equipment, nautical books, and marine videos.
   http://www.capjack.com/

Evergreen Pacific Publishing  
   Sells marine atlases, cruising guides and nautical charts for the Pacific Northwest.
   http://evergreenpacific.com