A2Z Hobbies (full-line hobby store)Aeropac Retainers (motor retention systems)Aerospace Specialty Products (model rocket kits, motors and components)Aerotech Consumer Aerospace (reloadable and single use rocket motors, mid-power rocket kits)Animal Motor Works, Inc. (high power reloadable rocket motors)Apogee Components (model rocket motors, kits, components, Rocsim software and Altimeter One)Art Applewhite Rockets (rocket-powered flying saucer kits)Balsa Machining Services (custom balsa parts and componentsBinder Design (mid-power and high power rocket kits)Booster Vision (miniature wireless video cameras)Cesaroni (24mm to 150mm reloadable rocket motors)Custom Rocket Company (model rocket kits)Dyna-Star (mid-power rocket kits)Edmonds Aerospace (variety of rocket-boosted glider kits)e-Hobbies (full-line hobby store)Estes Industries (model and mid-power rocket kits, motors and components)Flis Kits (model rocket kits and components)Giant Leap Rocketry (mid-power and high power rocket kits and components)Graphix and Stuff (t-shirts and rocketry-related graphics)Heavenly Hobbies (model rocket kits and components)Hobbylinc (full-line hobby store. Ships model and mid-power motors via USPS ground)LOC/Precision (model, mid-power and high power rocket kits and components)Madcow Rocketry (mid-power and high power rocket kits and components)Mercury Engineering Company (mid-power rocket kits and components)More Rockets.com (out of production reproduction model rocket kits)Odd'l Rockets (odd rocs)Perfectflite (rocket altimeters and other hobby-related electronics)Pico Altimeter (extremely small rocket altimeters)Pratt Hobbies (full-line hobby store and maker of "Rocket Scientist" t-shirts)Public Missiles, Ltd (mid-power and high power rocket kits and components)Puget Sound Propulsion (on-site vendor that frequents numerous launches in the Pacific Northwest)Qualified Competition Rockets (competition-grade model rocket kits and components)Quest Aerospace (model and mid-power model rocket kits, model rocket motors and components)Quickburst (igniters and the Quick-Dip igniter kit)Railbuttons.com (rail buttons)Red Arrow Hobbies (full-line hobby store. Ships model, mid-power and some HPR motors via USPS ground)Rocketarium (nichrome and shooter wire for igniters)Rocketflite (igniters and Magnalite igniter kit)Rouse-Tech (licensed Aerotech-compatable reloadable motor casings)Semroc Astronautics Corporation (vintage clone Estes kits and original kits and components)Squirrel Works Rocketry (model rocket kits)Starlight Model Rockets (model rocket kits)Sticker Shock 23 (custom vinyl decals for rocketry applications)Sun River Nature Center and Observatory (an on-site vendor for the Blue Mountain Rocketeers)Sunward Aerospace Group, Ltd (model rocket kits and components)The Launch Pad (scale model rocket and mid-power rocket kits)Tinder Rocketry (The Tender Descender recovery device)Top Flight Recovery (rip stop nylon parachutes and streamers)Open Rocket (free open source model rocket simulator)RasAero (free Windows-based rocketry computer simulation program)Winroc (free Windows-based rocketry computer simulation program)Olympic Peninsula Rocketry Club (OPROC)Oregon Rocketry (OROC)Spokane Area Rocket Club (SPARC)Tripoli Idaho Rocketry (TIR)Centuri Memories (website dedicated to the early days of model rocketry)Essence Model Rocketry Reviews (model rocket reviews, simulators, motor recommendations)The Glenda Project (weather prediction models created through electronics-based high power rocketry research)Fly Rockets.com (wealth of information about the hobby for beginners)JimZ Rocket Plans (rocket plans for scratch building vintage model rocket kits)NAR On-Line MESS Report (report a malfunctioning rocket motor to the NAR on-line)Thrust Curve.org (thrust curves and rocket motor performance data)