Supplier Self-Service Portal

General Information

Register for the Portal

CalSTRS would like the invoicing and payment process to be as seamless and easy as possible. With CalSTRS’ web-based Supplier Self-Service Portal, registered business partners can: 

  • View electronic purchase orders.
  • Electronically submit invoices for payment.
  • Create accounts for multiple users to access the portal.

To register as a business partner, or if you have questions about registering as a business partner with CalSTRS, contact us at or 916-414-4855.

General Information

Supplier Self-Service Portal eLearning

Watch the training videos below to learn basic features of the SUS portal.

For accessible versions of files on this page, contact

These eLearning modules are designed to provide CalSTRS vendors with a comprehensive guide for all system procedures: