Datamarine International, Inc.
- Manufacturer of marine radios, satellite communication equipment, hailers and EPIRBS. Product information and specifications. Dealer locator.
- http://www.sea-dmi.com/

Navman
- Navman is a manufacturer of marine electronics and Global Positioning System (GPS) technology. The New Zealand based company provides a diverse range of navigation technologies across wide ranging industries.
- http://www.navman.com

Techsonic Industries, Inc
- Offering Humminbird brand fish finders, depth sounders, marine radios and GPS systems.
- http://www.humminbird.com/

Furuno
- Offering the selection of commercial grade Radar, Sonars, Autopilots, VHF and Single Side Band radios. Includes a dealer locator.
- http://www.furuno.com/

Knudsen
- Design and manufacture of digital systems for marine applications. Canada.
- http://www.knudsenengineering.com/

Skipper Electronics AS
- Manufacturer of navigation echosounders, speed logs and sounders for fishery.
- http://www.skipper.no/

Northstar Products & Services
- Manufacturer of marine GPS and DGPS receivers and chart plotters. Product pictures, descriptions, diagrams and extensive specs. Product support and download section.
- http://www.northstarcmc.com/

Uniden Marine Radios
- Manufacturer of marine radios. Includes product pictures, descriptions, specifications and FAQ.
- http://www.uniden.com/

Fish Finder Review
- Guide and reviews of portable and fixed sonar and GPS fish finders.
- http://www.fish-finder-review.com

Kato Electronic Co., Ltd
- Manufacturer of fishing electronics.
- http://www.radiobuoy.com/

Fridge and Solar
- Portable refrigeration and solar systems.
- http://www.fridge-and-solar.net

Golden-Key Scientific Technology Company
- Manufacturer of pocket sized fish finders, diving communicators and wireless fish finders. Located in Hong Kong.
- http://www.fish-finder.org

Apelco Fish Finders
- Raytheon's line of sports boat fishfinders. Pictures and descriptions of models available.
- http://www.apelco.com

Leica Geosystems - Marine Systems
- Advanced navigational systems for marine use.
- http://www.leica-geosystems.com/product/level3.asp?o0=30&o1=20

Magellan Corporation
- Manufacturer of handheld and portable GPS systems. Technology facts and product support online.
- http://www.magellangps.com/

Pat's Boating in Canada: VHF Marine Radio
- Synopsis of marine radio usage rules in Canada.
- http://www.ncf.ca/boating/vhf.html

Interphase Technologies Inc.
- Offers manufacture of scanning sonar fish finder and depth sounder products for the commercial recreational boating, fishing, sailing, marine research markets.
- http://www.interphase-tech.com

Ritchie Navigation
- Manufacturer of compasses and mounts for marine applications.
- http://www.ritchienavigation.com/

Roffer's Ocean Fishing Forecasting Service, Inc. (ROFFS)
- Provides real-time tactical and strategic fishing forecasts for recreational and commercial fishing, using satellite-derived environmental data, providing daily road maps to the fish.
- http://www.roffs.com

Shakespeare Composites and Electronics
- Manufacturer of marine antennas and related accessories. Product pictures and descriptions. Technical section and suggested retail pricing.
- http://www.shakespeare-ef.com/

Vexilar
- Marine electronics and accessories for the sport fisherman, including color flashers, LCD graphs, and handheld depth finders.
- http://www.vexilar.com/

Moor Electronics
- Trolling and downrigger instruments from the top to 200 feet deep. Buffalo, N.Y.
- http://www.moorelectronics.com