| 541511 | Custom Computer Programming Services |
| 237130 | Power and Communication Line and Related Structures Construction |
| 238210 | Electrical Contractors and other Wiring Installation Contractors. |
| 334111 | Electronic Computer Manufacturing |
| 334112 | Computer Storage Device Manufacturing |
| 334113 | Computer Terminal Manufacturing |
| 334119 | Other Computer Peripheral Equipment Manufacturing |
| 334210 | Telephone Apparatus Manufacturing |
| 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| 334290 | Other Communications Equipment Manufacturing |
| 334310 | Audio and Video Equipment Manufacturing |
| 423420 | Office Equipment Merchant Wholesalers |
| 423430 | Computer and Computer Peripheral Equipment and Software Merchant Wholesalers |
| 423690 | Other Electronic Parts and Equipment Merchant Wholesalers |
| 425120 | Wholesale Trade Agents and Brokers |
| 517210 | Wireless Telecommunications Carriers (except Satellite) |
| 517410 | Satellite Telecommunications |
| 517911 | Telecommunications Resellers |
| 518210 | Data Processing, Hosting, and Related 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 |
| 811212 | Computer and Office Machine Repair and Maintenance |
