SIC Codes

1799   Special trade contractors, not elsewhere classified
3661  Telephone and telegraph apparatus
3669  Communications equipment, not elsewhere classified
3679  Electronic components, not elsewhere classified
4812  Radiotelephone communications
4813  Telephone communications
4899  Communications services, not elsewhere classified
5063  Electrical equipment and apparatus, wiring supplies and construction
5064  Electrical appliances, television and radio sets
5065  Electronic parts and equipment, not elsewhere   classified
8711  Engineering services