| USA | ||
| Aerojet | Liquid |
|
| Solid |
|
|
ARC |
Solid |
|
Hercules / ABL → ATK (Alliant) |
Solid |
|
| Beal | Liquid |
|
| Bell | Liquid |
|
| Boeing | Ion |
|
| GRC/Redlands | Solid |
|
| Kaiser Marquardt | Liquid |
|
| LPC/Redlands | Solid |
|
| NASA | Liquid |
|
| NOTS | Solid |
|
| Pratt & Whitney | Liquid |
|
| UTC → Pratt & Whitney | Solid | |
| Rocketdyne | Liquid |
|
| Thiokol | Solid |
|
| TRW | Liquid |
|