NAICS: 334220
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

NAICS: 517919
All other Telecommunications

NAICS: 517211
Wireless data communication carriers (except satellite)

NAICS: 517910
Telemetry and tracking system operations on a contract or fee basis

NAICS: 541930
Translation Services

NAICS: 541330
Engineering Services

NAICS: 541618
Telecommunications Management Consulting Services

NAICS: 541690
Other Scientific and Technical Consulting Services

NAICS: 541990:
All Other Professional, Scientific and Technical Services

NAICS: 811213
Communication Equipment Repair and Maintenance