Aqua Hut Companies: Aqua Hut - Premiere scuba shop in Northwest Ohio Paintball Shops & Fields: Warzone Paint Games - 5340 Centennnial Rd. Sylvania, OH 43560 Phone: 419-517-1750 website: http://www.warzonepaintgames.com Bull Creek Paintball - Portage, OH website: http://www.bullcreekpaintball.com Cousins Paintball - 2900 Rt. 112 Medford, NY 11763 website: http://www.cousinspaintball.com Custom Shirts and Gear: SRT Printing website: http://www.srtprinting.com Cylinder Manufacturers: Luxfer Catalina Carleton Technologies SCI - Structural Composites Industries Government Websites Department of Transportation - Hazmat - Exemptions - look up the exemption for your particular tank | 
