Britannia Boats Ltd
- Reproduction maps and charts from the archives of the British Admiralty. Includes catalog and contact information.
- http://www.britanniacharts.com/

Intelliscan
- Chart catalogue that maintains a list of all admiralty paper and ARCS charts. Downloadable trial version.
- http://www.intelliscan.co.uk/ARCS/buy.html

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

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/

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

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

Lake Champlain Publishing
- Cruising guide, charts, chart books and marine information for inland waterways from New York City to Montreal.
- http://lakechamplainpub.com/

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

Map Masters
- Supplies nautical charts for commercial and recreational boaters. Includes current edition NOAA charts, Maptech Embassy Guides, and waterproof charts.
- http://www.mapmasters.com/

Marine Chart Services
- Buy and sell new and used charts, books, flags. Worldwide coverage and delivery.
- http://www.chartsales.com/

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

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

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

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

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