Here are the manufacturers of rocket motors. Sadly, many of them are no longer in business (show the inactive ones). Click on the company name to show all the motors they produce.
| Company Name | Abbrev | Status | Web Site |
|---|---|---|---|
| AeroTech | AeroTech | active | aerotech-rocketry.com |
| Alpha Hybrids | Alpha | — | |
| Animal Motor Works | AMW | active | amwprox.com |
| Apogee Components | Apogee | active | apogeerockets.com |
| Cesaroni Technology | Cesaroni | active | pro38.com |
| Contrail Rockets | Contrail | active | contrailrockets.com |
| Ellis Mountain | Ellis | — | |
| Estes Industries | Estes | active | estesrockets.com |
| Gorilla Rocket Motors | Gorilla | — | gorillarocketmotors.com |
| Hypertek | Hypertek | active | hypertekhybrids.com |
| Kosdon TRM | Kosdon | — | |
| Kosdon by AeroTech | KBA | — | aerotech-rocketry.com |
| Loki Research | Loki | active | lokiresearch.com |
| Propulsion Polymers | PP | — | |
| Public Missiles, Ltd. | PML | — | publicmissiles.com |
| Quest Aerospace | Quest | active | questaerospace.com |
| R.A.T.T. Works | RATT | active | rattworks.net |
| Raketenmodellbau Klima | Klima | active | raketenmodellbau-klima.de |
| Roadrunner Rocketry | Roadrunner | — | |
| Rocketvision Flight-Star | RV | — | |
| Sky Ripper Systems | SkyR | — | |
| Southern Cross Rocketry | SCR | active | scrocketry.com |
| West Coast Hybrids | WCH | — | westcoasthybrids.homestead.com |