| 541330 |
Engineering Services |
| 541380 |
Testing Laboratories |
| 541511 |
Custom Computer Programming Services |
| 541512 |
Computer Systems Design Services |
| 541513 |
Computer Facilities Management Services |
| 541519 |
Other Computer Related Services |
| 541611 |
Administrative Management and General Management Consulting Services |
| 541614 |
Process, Physical Distribution, and Logistics Consulting Services |
| 541690 |
Other Scientific and Technical Consulting Services |
| 541712 |
Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) |
| 541310 |
Architectural Services |
| 928110 |
National Security |
