334-Computer and Electronic Product Manufacturing

- 334111: Electronic Computer Manufacturing

- 334112: Computer Storage Device Manufacturing

- 324113: 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

423-Durable Goods

- 423430: Computer and Computer Peripheral Equipment and

Software Merchant Wholesalers

- 423690: Other Electronic Parts and Equipment Merchant

Wholesalers

425-Wholesale Electronic Markets and Agents and Brokers

- 425110: Business to Business Electronic Markets

517-Telecommunications

- 517110: Wired Telecommunications Carriers

- 517210: Wireless Telecommunications Carriers (except

satellite)

- 517911: Telecommunications Resellers

541-Professional, Scientific and Technical Services

-541519: Other Computer Related Services

561-Administrative and Support Services

-561210: Facilities Support Services (Note 1)