| Code |
NAICS Code's Description |
| 541620 |
Environmental Consulting Services |
| 541690 |
Other Scientific and Technical Consulting Services |
| 541713 |
Research and Development in Nanotechnology |
| 541714 |
Research and Development in Biotechnology (except Nanobiotechnology) |
| 541715 |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) |
| 541720 |
Research and Development in the Social Sciences and Humanities |
| 541990 |
All Other Professional, Scientific, and Technical Services |
| 561110 |
Office Administrative Services |
| 561210 |
Facilities Support Services |
| 561320 |
Temporary Help Services |
| 561422 |
Telemarketing Bureaus and Other Contact Centers |
| 561499 |
All Other Business Support Services |
| 611420 |
Computer Training |
| 611430 |
Professional and Management Development Training |
| 611699 |
All Other Miscellaneous Schools and Instruction |