| S3 Operates as A Small Business in the Following NAICS Codes | ||
| NAICS | SIZE | Description |
| 541710 | 500/1000 | R&D in the Physical Engineering/Life Sciences |
| 3 36414 | 1000 | Guided Missile and Space Vehicle Manufacturing |
| 481211 | 1500 | Nonscheduled Chartered Passenger Air Transportation |