334210

Telephone Apparatus Manufacturing

511210

Software Publishers

517311

Wired Telecommunications Carriers

517410

Satellite Telecommunications

517911

Telecommunications Resellers

517919

All Other Telecommunications

518210

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

519290

Web Search Portals and All Other Information Services

541330

Engineering Services

541430

Graphc Design

541511

Custom Computer Programming Services

541512

Computer Systems Design

541513

Computer Facility Management Services

541519

Other Computer Related Services

541611

Administrative Management and General Management Consulting Services

541613

Marketing Consulting Services

541618

Other Management Consulting Services

541690

Other Scientific and Technical Consulting Services

541990

All Other Professional, Scientific, and Technical Services