Uw Sport, Cmas Certification, Conservation, Legislation; Usoa is a National Organization of Recreational Divers: Safety, Legislation, Marine/Aquatic Ecology, Underwater Sports. Member Usoc, Cmas. USA National Governing Body for Underwater Sports Fin Swimming, Uw Hockey, Uw Rugby, Skindiving Spearfishing. Cmas Scuba Certification in USA Via Sei. Brands: Mylec, Trublue, Canam, Truewest, Keifer, Lincoln Aquatics. Uw Hockey Sticks, Pucks, Gloves, Mouth Guards, Fin Keepers, Ear Guards, Water Polo Caps, Sports Protection, Sports Safety Equipment