| Southwest Research Institute |
Boulder, Colorado, United States |
4 |
| Southwest Research Institute |
San Antonio, Texas, United States |
8 |
| Southwest Research Institute |
San Antonio, Texas, United States |
134 |
| SP3 GmbH |
Egmating, Germany |
1 |
| Space Age Electronics |
Sterling, Massachusetts, United States |
1 |
| Space Applications Services |
Sint-Stevens-Woluwe, Belgium |
1 |
| Space Credibility Canada Inc. |
Kanata, Ontario, Canada |
7 |
| Space Dynamics Laboratory |
Kirtland AFB, New Mexico, United States |
1 |
| Space Exploration Technologies |
Hawthorne, California, United States |
2 |
| Space Exploration Technologies |
Cape Canaveral, Florida, United States |
1 |
| Space Exploration Technologies |
McGregor, Texas, United States |
2 |
| Space Exploration Technologies |
Hawthorne, California, United States |
31 |
| Space Forge |
Rumney, Cardiff, United Kingdom |
8 |
| Space Information Labs |
Santa Maria, California, United States |
26 |
| Space Micro |
San Diego, California, United States |
25 |
| Space Sciences Laboratory at University of California |
Berkeley, California, United States |
11 |
| Space Vector Corporation |
Chatsworth, California, United States |
8 |
| Space-ng |
Littleton, Colorado, United States |
18 |
| Spacecoast Cable & Harness, Inc. |
Titusville, Florida, United States |
6 |
| Spaceflight Industries |
Seattle, Washington, United States |
1 |
| SpaceLab SA |
Rosé (Avry), Switzerland |
4 |
| Spacelabs Healthcare |
Snoqualmie, Washington, United States |
1 |
| SpaceX |
Hawthorne, California, United States |
23 |
| SpaceX Redmond |
Redmond, Washington, United States |
1 |
| SPAL S.r.l. |
Correggio (RE), RE, Italy |
20 |
| Total Certifications on This Page: |
345 |