- 8741 - Management Services
- 8742 - Management Consulting
- 8744 - Facilities Support Management Services
- 8748 - Business Consulting
- 8711 - Engineering Services
- 8731 - Physical & Biological Research
- 8732 - Economic, Sociological & Educational Research
- 7371 - Computer Programming
- 7372 - Prepackaged Software
- 7373 - Computer Integrated System Design
- 7374 - Data Processing & Preparation
- 7375 - Information Retrieval Services
- 7379 - Computer Related Services (N.E.C.)