| 513210 | Software Publishers |
| 517111 | Wired Telecommunications Carriers |
| 518210 | Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services |
| 519290 | Web Search Portals and All Other Information Services |
| 541330 | Engineering Services |
| 541512 | Computer Systems Design Services |
| 541513 | Computer Facilities Management Services |
| 541519 | Other Computer Related Services |
| 541611 | Administrative Management and General Management Consulting Services |
| 541618 | Other Management Consulting Services |
| 541690 | Other Scientific and Technical Consulting Services |
| 541715 | Research And Development In The Physical, Engineering, And Lifesciences (Except Nanotechnology And Biotechnology) |
| 561210 | Facilities Support Services |
| 561410 | Document Preparation Services |
| 561990 | All Other Support Services |
| 611420 | Computer Training |
| 611699 | All Other Miscellaneous Schools and Instruction |