| Aero Pack Inc. Threaded motor mount and engine retainers. |
| Aerotech High power motors and kits. |
| Animal Motor Works High power reloadable rocket motors and reloads. |
| Apogee Components Competition rocket kits and motors, construction . |
| Aerospace Speciality Products Kits for Scale, Sport Scale and competition. |
| Balsa Machining Service Balsa wood nose cone, including custom made ones, a good competition launching tower |
| BnB Rockets Low power model rockets including a nice glider |
| Boyce Aerospace Hobbies 3D printed scale rocket parts and kits |
| Contrail Rockets Hybrid rocket motors. |
| Cosmodrome Rocketry Scale, mid to high power kits. |
| Dynasoar Rocketry RC foam rocket gliders and motors for them. |
| Estes Industries The oldest model rocket company. |
| Flis Kits Sport and competition kits and parts. |
| Fruity Chutes Hi power cloth parachutes and shock cords |
| Galactic Manufacturing FAI Spacemodeling kits and supplies, kit upgrades and 3D printed parts |
| HyperTEK Hybrid rocket motors. |
| JH Aerospace A variety of model airplane and Rocket Glider (including RC) designs. |
| Launch Lab Rocketry Kits including Vander-Burn kits and plywood upgrade and out of production kits |
| LOC/Precision High power rocket kits and supplies. |
| Loki Research Reloadable rocket motors |
| Madcow Rocketry Mid to high power rocket kits and components. |
| Mach 1 Rocketry Fiberglass componentes (including BT size fiberglass tubes) and fiberglass kits. |
| Mackmillian Missle Works Makes a variety of different size guillotin fin-jigs |
| MJG Technologies Electric matches and ignitors |
| North Coast Rocketry Midpower kits including a RC Boost Glider and rocket accessories. They also sell the smallest recording altimeter available. |
| Pratt Hobbies Rocket kits, supplies, launch equipment, vacuum formed nose cones, rocket electronics. Please note: Pratt Hobbies website has moved to www.pratt-hobbies.com |
| Pro 38 Reloadable High power rocket motors. |
| Public Missiles High power kits. |
| The Rockarium A wide selection of model rockets, from various vendors : FlisKits, Aerospace Group, Squirrel Works Model Rocketry. |
| Roys Rockets Eggfinder cases, shock cord winder, finjig and a variety of 3d printed rocket accessories. |
| Semroc Astronautics Corporation Rocket kits including reproduction Centuri and Estes. Most of the Semroc kits are now available again from http://www.erockets.biz/ |
| Sirius Rocketry Rocket kits and other manufactures kits and supplies |
| Spherachute Custom hemisperical paracutes |
| Sunward Aerosace Group Limited Model rocket accesssories |
| The Squirrel Works Sport model rocket kits. |
| Tango Papa Decals Out of production and custom decals |
| Top Flight Recovery, LLC Nylon parachutes and steamers. |
| Quest Sport model rocket kits and composite 18mm engines |