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USC Supplier Portal Support and Training Materials

Technical and Non-technical Support for Suppliers

Suppliers that require assistance with USC Supplier Portal should use the appropriate contact information shown below:

Technical Questions Non-technical Questions
Contact database service provider:
1-800-233-1121 (option 3)

Hours: Monday - Friday,
4:00 a.m. - 8:00 p.m. EST
Send email to:


Training Materials for Suppliers

Here are some useful tools to help suppliers get to know the USC Supplier Portal. Please bookmark this page for future reference as we will continue to expand our training materials. Like most online applications, the USC Supplier Portal may go through periodic updates. Suppliers who discover any discrepancies between the information contained in these guides and the actual portal experience are requested to send them via email to so that the guides can be updated/corrected.

Quick Reference Guides:

Step-by-Step Guides:

Completed Supplier Profile

Please note that a supplier profile cannot be submitted until all of the tabs have been marked as completed with a red checkmark, as seen on the adjacent image. Even when suppliers have successfully submitted their profile for the first time, they may occasionally receive system-generated emails from Supplier Data Management Services (SDMS) asking them to provide additional information before their profile can be approved and they are cleared to do business with the university.