| North American Industry Classification System (NAICS) |
| 541511 – Custom Computer Programming Services |
| 541512 – Computer Systems Design Services |
| 541519 – Other Computer Related Services |
| 541611 – Administrative Management and General Management Consulting Services |
| 541614 – Process, Physical Distribution, and Logistics Consulting Services |
| 541990 – All Other Professional, Scientific, and Technical Services |
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| Standard Industrial Classification (SIC) |
| 7374 – DATA PROCESSING AND PREPARATION |
| 7375 – INFORMATION RETRIEVAL SERVICES |
| 8243 – DATA PROCESSING SCHOOLS |
| 8611 – BUSINESS ASSOCIATIONS |
| 8621 – PROFESSIONAL ORGANIZATIONS |
| 8711 – ENGINEERING SERVICES |
| 8733 – NONCOMMERCIAL RESEARCH ORGANIZATION |
| 8741 – MANAGEMENT SERVICES |
| 8742 – MANAGEMENT CONSULTING SERVICES |
| 8748 – BUSINESS CONSULTING, NEC |
| 8999 – SERVICES, NEC |
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| Product Service Codes (PSC) |
| B552 – STUDY/MANPOWER |
| D303 – ADP SVCS/DATA ENTRY |
| D306 – ADP SYSTEM ANALYSIS |
| D307 – AUTOMATED INFORMATION SYSTEM S |
| D311 – ADP DATA CONVERSION SVCS |
| R412 – PROF SVCS/SIMULATIONS |
| R421 – PROF SVCS/TECHNICAL ASSISTANCE |
| R425 – PROF SVCS/ENGINEERING TECHNICA |
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| Federal Supply Classification (FSC) |
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