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Top 20 Directory:
Top : Business : Consumer_Goods_and_Services : Sporting_Goods : Water_Sports : Scuba_Diving : Navigation_and_Communication
Sites:
  		• Desert Star Systems: Manufacture high performance underwater systems for navigation using acoustic positioning, data acquisition, telmetry, and decompression computing.
  		• Divelink International Technologies Inc.: Manufacturer of underwater communication systems. Includes a company profile, product technical specifications, news and photographs. Located in Victoria, BC, Canada.
  		• Heliox: Manufacturers of Divecomm underwater communications products and the MK-5P mixed gas electronic closed circuit rebreather.
  		• Ocean Technology Systems: Manufacturer of underwater communications systems for sport divers, military diving, and the movie industry. Systems include a diver recall system.
  		• Uwatec: Manufacturer of dive computers, featuring the Aladin Pro, air integrated and nitrox computers, and dive and navigation instruments.
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