- Odyssey Marine Exploration, Inc.
Combines shipwrecks, treasure, and deep-ocean mysteries with cutting-edge technology and marine archaeology. Site includes current shipwreck project info, research aids, news, video, and more.
- Stan Grist: Adventures Into The Unknown
Sells resources for gold prospectors, treasure hunters, and metal detector users. Includes documentaries of Grist's adventures.
- Historical Research and Development
Shipwrecks, treasures, archaeology, history, books, videos, and more.
- Desert Outfitters, Inc.
Prospecting, lapidary, and backpacking gear and equipment.
- Professional Shipwreck Explorers Association
Represents worldwide members specializing in salvage, archaeology, and preservation of shipwrecks and underwater cultural heritage.
- Texas Treasure Hunting Headquarters
Sells metal detectors, mining equipment, and accessories.
- Global Research and Salvage Inc.
G.R.S. was formed by two experienced treasure hunters, Peter Smitt and Jack Glenn for the purpose of finding and salvaging historic shipwrecks.
Offering treasure hunting equipment for land and sea.
- Finders Keepers
Sales of metal detectors, books, maps, and unusual finds.
- Spanish Wrecks
Provides details of background research, equipment, and recovery techniques.