Custom Computer Programming Services 541511

Computer System Designs Services 541512

Computer Facilities Management Services 541513

Other Computer Related Services 541519

Administrative Management and General Management Consulting Services 541611

All Other Professional, Scientific & Technical Services 541990

Office Administrative Services 561110

Facilities Support Services 561210

All Other Business Support Services 561499

Security Guards and Patrol Services 561612

Janitorial Services 561720