​

 

517410 – Satellite Telecommunications

518210 – Data Processing, Hosting, and Related Services

519190 – All Other Information Services

541330 – Engineering Services

541511 –  Custom Computer Programming Services

541512 –  Computer Systems Design Services

541513 –  Computer Facilities Management Services

541519 –  Other Computer-Related Services

541611 –  Administrative Management and General
               Management Consulting Services

541690 – Other Scientific and Technical Consulting Services

541990 – All Other Professional, Scientific, and Technical Services

561110 – Office Administrative Services

561210 – Facilities Support Services

561421 – Telephone Answering Services

611420 – Computer Training