| 423430 | Computer and Computer Peripheral Equipment and Software Merchant Wholesalers |
| 511210 | Software Publishers |
| 518210 | Data Processing, Hosting and Related Services |
| 541219 | Other Accounting Services |
| 541330 | Engineering Services |
| 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 |
| 541612 | Human Resources Consulting Services |
| 541614 | Process, Physical Distribution and Logistics Consulting Services |
| 541618 | Other Management Consulting Services |
| 541690 | Other Scientific and Technical Consulting Services |
| 541990 | All Other Professional, Scientific and Technical Services |
| 561110 | Office Administrative Services |
| 561499 | All Other Business Support Services |
| 561612 | Security Guards and Patrol Services |
| 561621 | Security Systems Services (except Locksmiths) |
| 611420 | Computer Training |
| 611430 | Professional and Management Development Training |
| 611710 | Educational Support Services |
| 711510 | Independent Artists, Writers and Performers |
| 928110 | National Security |
