| Description | SIC
Codes | NAICS |
 Primary | |
| Computer
and peripheral Equipment and Software | 5045 |
421430 |
| Secondary | |
| Prepackaged
Software | 7372 |
51121 |
| Office
Equipment | 5044 |
42142 |
| Photographic
Equipment and Supplies | 5043 |
42141 |
| Professional
Equipment and Supplies | 5049 |
42149 |
| Electrical
Apparatus and Equipment | 5063 |
42161 |
| Electrical
Appliances, Television/Radio | 5064 |
42162 |
| Electronic
Parts and Equipment | 5065 |
42169 |
| Help
Supplies Services | 7363 |
541511 |
| Computer
Programming Services | 7371 |
541511 |
| Computer
Integrated System Design | 7373 |
541512 |
| Computer
Processing and Data Prep/Process | 7374 |
51421 |
| Information
Retrieval Services | 7375 |
514191 |
| Computer
Facilities Management Services | 7376 |
541513 |
| Computer
Rental and Leasing | 7377 |
53242 |
| Computer
Maintenance and Repair | 7378 |
44312, 8811212 |
| Computer
Related Services | 7379 |
541519 |
| Business
Services | 7389 |
51421 |
| Electronics
Parts and Equipment | 5065 |
42169 |
