| AAA Model Aviation Fuels | - | - | - |
| Aardvark Rockets | - | - | - |
| Acme Engineering | - | - | - |
| Advance Rocketry Group | - | - | - |
| Advanced Rocketry Corporation | - | - | - |
| Aero | - | - | - |
| Aero Pack | - | - | http://www.aeropack.net |
| Aerocon Systems | - | - | http://www.aeroconsystems.com/ |
| AeroRocket | - | - | http://www.aerorocket.com/ |
| Aerospace Specialty Products | - | - | http://www.asp-rocketry.com/ |
| Aerotech | - | - | http://www.aerotech-rocketry.com/ |
| Alien Enterprises | - | - | - |
| Allan McDonald | - | - | - |
| Always Ready Rocketry | - | - | http://alwaysreadyrocketry.com/ |
| American Alliance Rocketry | - | - | http://www.aa-rocketry.com/ |
| AMROCS | - | - | - |
| Animal Motor Works | - | - | - |
| AntiGravity Research Corporation | - | - | http://antigravityresearch.com/ |
| Apogee Components | - | - | http://apogeerockets.com/ |
| ARA Press | - | - | http://www.arapress.com |
| Art Applewhite Rockets | - | - | http://www.artapplewhite.com/ |
| Astro | - | - | - |
| AVI Astroport | - | - | - |
| B2 Rocketry Company | - | - | http://www.b2rocketry.com |
| Badd Azz Rocketry | 2011 | - | http://www.baddazzrocketry.com/ |
| Bal-Roc | - | - | - |
| Ballistic Bob | - | - | - |
| Balsa Machining Service | - | - | http://www.balsamachining.com/ |
| BigRedBee | - | - | http://www.bigredbee.com/ |
| Binder Design | - | - | http://www.binderdesign.com |
| Blackhawk R&D | - | - | - |
| BlackSky | - | - | http://www.blacksky.com |
| Blast From The Past | - | - | - |
| Bo-Mar | - | - | - |
| BonNova | - | - | http://bonnova.com/ |
| Booster Vision | - | - | http://www.boostervision.com/ |
| BoRocks Rocketry | - | 2002 | - |
| BSD High Power Rocketry | - | - | http://www.bsdrocketry.com |
| Canaroc | - | - | - |
| Caveman Rocketry | - | - | http://www.cavemanrocketry.nl |
| Central Rocket | - | - | - |
| Centuri | - | - | - |
| Cesaroni Technologies | - | - | http://www.pro38.com/ |
| Checkered Flag Models | - | - | http://www.checkeredflagmodels.com/ |
| CMR | - | - | - |
| Coaster | - | - | - |
| Colossus Rockets | 2011 | - | http://www.facebook.com/pages/3X-Mars-Lander-Model-Rocket/122541217843090 |
| Composite Dynamics | - | - | - |
| Contest Craft | - | - | http://www.asp-rocketry.com/store/category.cfm?Category=191 |
| Cosmodrome Rocketry | - | - | http://www.cosmodromerocketry.com |
| Cox | - | - | - |
| Custom Rockets | - | - | http://www.customrocketcompany.com/ |
| Cycline3 | - | - | - |
| Cygnus Rocketry | - | - | http://cygnusrocketry.com/ |
| Das Modell | - | - | http://www.noris-raketen.de/ |
| DFR Technologies | - | - | - |
| DG&A High Power Rocketry | - | - | - |
| DnD Rocketry | - | - | http://www.dndrocketry.us/ |
| Dr. Rocket | - | - | - |
| Dr. Zooch | - | - | http://www.klydemart.com/ |
| Dynacom | - | - | - |
| DynaStar | - | - | http://www.DynaStar-Rockets.com/ |
| Eagle | - | - | - |
| EagleWorks | - | - | - |
| Edmonds Aerospace | - | - | - |
| Ellis Mountain Rocket Works | - | 2007 | - |
| Empire Rockets | - | - | - |
| Enerjet | - | - | - |
| Enertek | - | - | - |
| Estes | 1958 | - | http://www.estesrockets.com/ |
| Excelsior Rocketry | - | - | - |
| Extreme Rocketry | - | - | http://www.extremerocketry.com/ |
| Fat Cat Rockets | - | - | - |
| Featherweight Altimeters | - | - | - |
| First Flight Hobbies | - | - | http://firstflighthobby.com/ |
| FixIt | - | - | - |
| Flight Dynamics | - | - | - |
| FlisKits | - | - | http://www.fliskits.com/ |
| Free Press | - | - | - |
| FSI | - | - | - |
| Fun Rockets | - | - | - |
| G-Wiz Partners | - | - | http://www.gwiz-partners.com/index.html |
| Giant Leap Rocketry | - | - | http://www.GiantLeapRocketry.com |
| Hartle Engineering | - | - | http://hartleengineering.com/ |
| Hawk Mountain Enterprises | - | - | http://www.hawkmountain.ws/ |
| Hawks Hobby | - | - | http://www.hawkshobby.com/ |
| Heavenly Hobbies | - | - | http://www.heavenlyhobbies.com/ |
| HobbyLab | - | - | - |
| Holverson Designs | - | - | - |
| Hostile Projectiles | - | - | http://www.sneillfx.com/page25 |
| HotRod Rockets | - | - | http://www.hotrodrocketshop.com/ |
| I Build Rockets | - | - | http://www.ibuildrockets.com/ |
| Impulse Aerospace | - | - | http://www.impulseaerospace.com/ |
| InFlight Rockets | - | - | http://inflightrockets.com/ |
| ISP | - | - | - |
| J.A.P. Systems | - | - | - |
| Jolly Logic | - | - | - |
| K&S Rockets | - | - | http://www.kandsrockets.com/ |
| Klinger Productions | - | - | http://www.bigkidproductions.com/ |
| Kopter Rotor Recovery Rockets | - | - | - |
| KosRox | - | - | - |
| Lansbergen.net | - | - | - |
| The Launch Pad | - | - | http://www.the-launch-pad.com/ |
| LawnDart Rocketry | - | - | http://www.lawndartrocketry.info/ |
| Leading Edge Rocketry | - | - | http://www.leadingedgerocketry.com/ |
| Lecari | - | - | - |
| LOC/Precision | - | - | http://www.locprecision.com |
| Loki Research | - | - | http://www.lokiresearch.com/ |
| Mach-1 Industries | - | - | - |
| Mad Science | - | - | http://www.madscience.org/ |
| Madcow Rocketry | - | - | http://www.madcowrocketry.com/ |
| Maximum Thrust Rocketry | - | - | - |
| Mercury Engineering | - | - | http://www.mercury-rockets.com/ |
| Merlin Missile Solutions | - | - | http://www.merlinmissiles.com/ |
| Micro Brick | - | - | - |
| Micro Classics | - | - | - |
| Microclassics | - | - | - |
| Mile High Rockets | - | - | http://www.milehighrockets.com/ |
| Missile Works | - | - | http://www.missileworks.com/ |
| Model Minutes | - | - | http://www.modelminutes.us/ |
| Model Missiles | - | - | - |
| ModelRockets.us | - | - | https://www.discountrocketry.com/modelrocketsus-m-974.html |
| Mountainside Hobbies | - | - | http://www.mountainsidehobbies.net/ |
| MPC | - | - | - |
| MRC | - | - | - |
| MRI | - | - | - |
| Neubauer Rockets | - | - | http://www.neubauerrockets.com/ |
| New Way Space Models | - | - | http://www.newwayspacemodels.com/ |
| Newton's 3rd Rocketry | - | - | http://www.newtons3rdrocketry.com/ |
| NHP | - | - | - |
| Nordic Rocketry | - | - | - |
| Noris Raketen | - | - | - |
| North Coast Rocketry | - | - | http://www.northcoastrocketry.com/ |
| Nova | - | - | - |
| Nova Hobbies | - | - | - |
| Odd'l Rockets | - | - | http://www.oddlrockets.com/ |
| Orbital Engineering Ltd | - | - | - |
| Original Rockets | - | - | - |
| Outlaw Rockets | - | - | - |
| PD Rocketry | - | - | - |
| Pemberton Technologies | - | - | http://laynepemberton.com/pembertontechnologies/index.htm |
| PerfectFlite | - | - | http://www.perfectflite.com/ |
| Performance Rocketry | - | - | http://www.performancerocketry.com/ |
| Phoenix Rocketry | - | - | - |
| Physics of Flight | - | - | http://www.physicsofflight.com |
| PICO Altimeter | - | - | http://www.picoalt.com/ |
| Point 39 Productions | - | - | http://home.mindspring.com/~earl39/index.html |
| Polecat Aerospace | - | - | http://www.polecataerospace.com/ |
| Pratt Hobbies | - | - | http://www.pratthobbies.com |
| Public Enemy | - | - | http://www.publicenemyrockets.com/ |
| Public Missiles | - | - | http://www.publicmissiles.com/publicmissiles/ |
| Pyramid Rocketry | - | - | - |
| Pyramid Rockets | - | - | - |
| Qmodeling | - | - | http://www.qmodeling.com/ |
| Qualified Competition Rockets | - | - | http://www.cybertravelog.com/qcr/ |
| Quasar One | - | - | http://www.quasaronerockets.com/ |
| Quest | - | - | http://www.questaerospace.com/ |
| QuickBurst | - | - | http://www.QuickBurst.net |
| RailButtons.com | - | - | http://www.railbuttons.com/rb/ |
| Rebel Rocketry | - | - | http://www.rebelrocketry.com/ |
| Red Arrow Hobbies | - | - | http://www.redarrowhobbies.com |
| Red River Rocketry | - | - | http://www.redriverrocketry.com/ |
| Redstone Rockets | - | - | - |
| Retro Rocket Works | - | - | - |
| Retro Rocketry | - | - | http://www.retrorocketry.com/ |
| Roachwerks Custom Turnings | - | - | http://roachwerksmachining.com.istemp.com/ |
| Rock-A-Chute | - | - | - |
| Rocket Development | - | - | - |
| Rocket Dynamic Systems | - | - | http://www.rocketdynamic.com/index.htm |
| Rocket in a Box | - | - | http://www.rocketinabox.com/index.html |
| Rocket Pad | - | - | - |
| Rocket R&D | - | - | - |
| Rocket Vision | - | - | - |
| Rocketarium | - | - | - |
| RocketChutes.com | - | - | http://www.rocketchutes.com/ |
| Rocketflite | - | - | http://www.rocketflite.com/ |
| RocketHead Rockets | - | - | - |
| Rocketman Enterprises | - | - | http://www.the-rocketman.com/index.html |
| RocketPad Kits | - | - | - |
| Rocketry Warehouse | - | - | - |
| Rogue Aerospace | - | - | - |
| Rokitflite | - | - | - |
| Roto-Rocket | - | - | - |
| Rowes Retainers | - | - | http://www.rowesretainers.co.uk/ |
| Saturn Press | - | - | - |
| Scale Kits | - | - | - |
| Scientific Explorer | - | - | http://www.scientificexplorer.com/ |
| Semroc | - | - | http://www.semroc.com/ |
| SFSM Industries | - | - | http://www.sfsmindustries.com/ |
| Shadow Composites | - | - | - |
| Shecter Rockets | - | - | http://www.geocities.com/fredeshecter/ |
| Sheri's Hot Rockets | - | - | http://www.cjsaviation.com/ |
| Shockwave Rocketry | - | - | - |
| Shrox Industria | - | - | http://www.shrox.com/ |
| Sirius Rocketry | - | - | http://www.siriusrocketry.com/ |
| Sky | - | - | http://www.apogeerockets.com/rocket_vendors.asp |
| Skyward Electronics | - | - | - |
| Smokin' Rockets | - | - | http://www.performancehobbies.com/ |
| Space Age Industries | - | - | - |
| SpaceCAD.com | - | - | http://www.spacecad.com/ |
| SpaceX | - | - | - |
| Squirrel Works | - | - | http://www.squirrel-works.com/ |
| SSRS | - | - | - |
| Standard Rockets | - | - | http://www.standardrockets.com/ |
| Starlight Rockets | - | - | http://www.starlightrocketry.com/ |
| Stellar Dimensions | - | - | - |
| Suborbital Flying Machines | - | - | - |
| Sunward Aerospace | - | - | http://www.sunward1.com/ |
| SureFire Rockets | - | - | http://www.hobbylinc.com/prods/t_sfr.htm |
| Tango Papa | - | - | http://www.tangopapadecals.com/ |
| TCB in a Flash | - | - | - |
| THOY | - | - | - |
| 3D Rocketry | 2011 | - | http://3drocketry.com/ |
| Thrustline Aerospace | - | - | http://www.thrustlineaerospace.com/ |
| Transolve | - | - | http://www.transolve.com/ |
| True Modeler's Rocket Kits | - | - | http://tmrk.rocketshoppe.com/ |
| U.S. Rockets | - | - | http://v-serv.com/usr/ |
| Underdog Rocketry | - | - | - |
| University of Florida Press | - | - | - |
| Vaughn Brothers | - | - | - |
| Venus Model Rocketry | - | - | - |
| Vincent Hobbies | - | - | - |
| Virtual Rocket Contest 3 | - | - | - |
| VooDoo Digital Productions | - | - | http://homepage.mac.com/wesrudy/Menu8.html |
| West Coast Rocketry | - | - | - |
| WestWayneRocket | - | - | http://www.unclemikesrocketshack.com |
| Wildman Rocketry | - | - | - |
| Xavien | - | - | http://www.xavien.com/ |
| Yank Enterprises | - | - | - |
| Yoyodyne Aerospace | - | - | - |
| Clone | - | - | - |
| Modification | - | - | - |
| Paper | - | - | - |
| Plan | - | - | - |
| Scratch | - | - | - |
| Upscale | - | - | - |
