- Desert Outfitters, Inc.
 - Prospecting, lapidary, and backpacking gear and equipment. - Finders Keepers
- Sales of metal detectors, books, maps, and unusual finds.
- Gisco Advanced Treasure Technologies
- Offers geophysical instruments for advanced treasure hunters. Also provides on site training and global field locating services.
- 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.
- Historical Research and Development
- Shipwrecks, treasures, archaeology, history, books, videos, and more.
- 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.
- Professional Shipwreck Explorers Association
- Represents worldwide members specialising in salvage, archaeology, and preservation of shipwrecks and underwater cultural heritage.
- Schubu
- Spanish Wrecks
- Provides details of background research, equipment, and recovery techniques.
- Stan Grist: Adventures Into The Unknown
- Sells resources for gold prospectors, treasure hunters, and metal detector users. Includes documentaries of Grist's adventures.
- Texas Treasure Hunting Headquarters
- Sells metal detectors, mining equipment, and accessories.
- ThorTech
- Offering treasure hunting equipment for land and sea.
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