| 238210 | Electrical Contractors and Other Wiring Installation Contractors |
| 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| 334290 | Other Communications Equipment Manufacturing |
| 493110 | General Warehousing and Storage |
| 517312 | Wireless Telecommunications Carriers (except Satellite) |
| 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 |
| 541618 | Other Management Consulting Services |
| 561621 | Security Systems Services (except Locksmiths) |
| 611420 | Computer Training |
| 811212 | Computer and Office Machine Repair and Maintenance |
| 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
