Supplier registration
Register to do business with the Commonwealth
Pennsylvania uses a few different systems depending on how you want to sell. Choose the path that fits your business and we'll route you to the right place — no guesswork.
Find your path
Decide whether you want to bid, join COSTARS, or get certified — you can do more than one.
Register with the right system
Each path hands you off to the authoritative Commonwealth system with your details.
Respond to opportunities
Once registered, respond to solicitations directly in the originating system.
Choose your path
You can pursue more than one — many suppliers register to bid and get certified.
Most suppliers start here
Bid on Commonwealth contracts
Register your business in the PA Supplier Portal to receive solicitations, submit bids, and do business with Commonwealth agencies.
- Creates your Commonwealth supplier record
- Required to respond to Commonwealth solicitations
- One registration works across all agencies
Cooperative purchasing
Sell to local governments (COSTARS)
Join COSTARS to sell your goods and services to Pennsylvania's 4,000+ member local governments, schools, and nonprofits through cooperative contracts.
- Reach members statewide without separate bids
- Suppliers qualify by commodity category
- Annual participation fee applies
Small & diverse businesses
Get certified (SB / SDB / VBE)
Apply for Small Business, Small Diverse Business, or Veteran Business Enterprise certification through BDISBO to unlock set-aside and diversity opportunities.
- Self-certify as a Small Business
- Third-party verification for SDB and VBE
- Appears in the public BDISBO directory
Not sure yet?
Just exploring
You don't need an account to browse. Search opportunities, look up suppliers, and read up on how to do business with the Commonwealth.
- Search every public opportunity
- Look up any registered supplier
- Read the "How to do business" guides
What you'll need
Need help choosing?
Our supplier support team can help you find the right path and walk through registration.
Visit the help center