Where to Find Codes

North American Industry Classification System (NAICS) Codes

To view the list of common Principal Product Service Code and corresponding NAICS codes, click here.

Principal Product or Service Code (PPSC)

Location Codes

Standard Industrial Classification (SIC) Manual, 1987 version

Other Codes

To view a listing of Office/Post Codes, click here.
To view a listing of Agency codes and name click here.
To view a listing of commonly used Funding Agency and Office Names, click here.
To search for a contractor's DUNS number or see if a contractor is a U.S. small business, use the search feature after you click here.
To search for GSA Federal Schedule Contract Numbers via the Schedules E-Library, click here.

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