541511
- Computer software analysis and design services, custom
- Computer software programming services, custom
- Computer software support services, custom
- Programming services, custom computer
- Software analysis and design services, custom computer
- Software programming services, custom computer
541512
- Computer systems integration analysis and design services
- Local area network integration(LAN) computer systems integration design services
- Network systems integration design services, computer
- Systems integration design consulting services, computer
- Systems integration design services, computer
541513
- Computer systems facilities management and operations
- Data Processing facilities management and operations
541519
- Computer disaster recovery services
- Software installation services, computer
541618
- Administrative and general management consulting services