| 518210 | Data Processing & Related Services |
| 519190 | All Other Information Services |
| 541370 | Surveying and Mapping Services |
| 541330 | Engineering Services |
| 541511 | Custom Computer Programming |
| 541512 | Computer Systems Design |
| 541513 | Computer Facilities Management |
| 541519 | Other Computer Related |
| 541611 | Admin Management Consulting |
| 541618 | Other Management Consulting |
| 541712 | Research & Development |
| 541990 | All Other Prof. & Tech. |
| 611420 | Computer Training |
| 611430 | Prof. & Management Training |
| 611710 | Educational Support Services |