| 336999 | All Other Transportation Equipment Manufacturing |
| 423490 | Other Professional Equipment and Supplies Merchant Wholesalers |
| 518210 | Data Processing, Hosting, and Related 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 |
| 541614 | Process, Physical Distribution, and Logistics Consulting Services |
| 541720 | Research and Development in the Social Sciences and Humanities |
| 561110 | Office Administrative Services |
| 561210 | Facilities Support Services |
| 561410 | Document Preparation Services |
| 561421 | Telephone Answering Services |
| 561431 | Private Mail Centers |
| 561439 | Other Business Service Centers (including Copy Shops) |
| 561499 | All Other Business Support Services |
| 561612 | Security Guards and Patrol Services |
| 561990 | All Other Support Services |
| 611430 | Professional and Management Development Training |
