The following list describes PSI's capabilities by NAICS Codes:
- NAICS Codes 54161, 541611 and 541618 Management Consulting Services, Administrative Management and General Management Consulting Services and Other Management Consulting Services focused on Supply Chain Management and Related Issues.
- NAICS Code 61143 Professional and Management Development Training.
- NAICS Codes 56131 and 56132 Employment Placement Agency (Procurement Materials and Distribution Professionals) and Temporary Help Services in the same areas.
- NAICS Code 51821 Data Processing, Hosting and Related Services (an e-Procurement system designed to address non-manufacturing parts with special capabilities to address the procurement of services, construction and large capital projects).