Become a COSTAR (Cooperative Purchasing Program) Supplier

To become a COSTAR  (Cooperative Purchasing Program) Supplier, follow the steps below. 

Overview

COSTARS is a Pennsylvania program that helps local groups and state agencies buy things at better prices with special contracts. It helps by:

  • Saving money for members.
  • Allowing businesses to compete for contracts.
  • Offering fair-priced contracts.

Become a COSTARS supplier to:

  • Find documents like the Supplier Brochure, Supplier Guide, and Guide to COSTARS Contracts.
  • Find COSTARS bidding opportunities.
  • Access online training.

How to register as a new COSTARS Supplier

Follow the steps below to become a COSTARS Supplier. 

To become a COSTARS supplier, you must first register as a vendor with the Commonwealth and receive a six-digit vendor number. Register at the PA Supplier Portal. 

For help with registration, contact the Supplier Help Desk at RA-PSCSRMPortal@pa.gov.

This step only applies to companies that meet Small and Small Diverse Business eligibility requirements. If this does not apply to your company. proceed to the next step. 

To see if you qualify and apply for certification, visit the Small and Small Diverse Business website. 

To sell products and services to COSTARS members, suppliers must submit an electronic bid for the applicable contract(s) here. 

The last step to becoming a COSTARS supplier is to submit payment for the annual administrative fee per awarded contract(s). 

Once you pay the invoice, your participation will be active. You can then download the COSTARS member list and start working with members.

Vendor Classification ​Required Administrative Fee
​DGS-Verified Small Diverse Business
$166 Annually
​​DGS-Verified Veteran-owned Business
​$166 Annually
​​DGS Self-Certified Small Business
​$500 Annually
​All Others
​$1,500 Annually

Contact us

Department of General Services

Bureau of Procurement
1800 Herr Street
2nd Floor
Harrisburg, PA 17103