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Welcome to BidBuy

The State of Illinois is pleased to introduce its new eProcurement System!

BidBuy is designed to streamline service, increase efficiency, reduce cycle times and transaction costs, improve availability of information and modernize the tools and resources available to incorporate best practices in Illinois procurement.

State of Illinois Internal Users

For information about BidBuy click here.

For assistance contact the State User BidBuy Help Desk by email at
or by phone at 217-557-8992 (for all Vendor inquiries, please dial 866-455-2897)
Hours of Operation: Monday through Friday from 8:30am to 5:00pm CT.

General Information, including instruction for governmental entities and interested parties

Locating Statewide Master Contracts Manual

Locating Statewide Master Contracts Job Aid


*Please note that there is NO CHARGE for Vendors to register in BidBuy.*

START HERE! How to Register in BidBuy guides and videos.
How to Respond to Bids (Solicitations) step-by-step guide.

To view general information about doing business with the State of Illinois, including links to other State of Illinois procurement bulletins, please visit Pathway to Procurement.

Please visit Sell 2 Illinois to view information about special programs for small and diverse business enterprises.

To view archived or current solicitations published, please go to
the Illinois Procurement Bulletin for General Services.

FOR NEW VENDORS: If your business is registered in the Illinois Procurement Gateway (IPG), an account has been created for you in BidBuy. To view and complete your registration in BidBuy choose Login Assistance below.

*Please allow 24-48 hours for your account to show in BidBuy if you have registered in IPG within the last 24 hours.

Login ID: We strongly encourage that an e-mail address be used.
Password Requirements: Must be alpha numeric with a special character.
Minimum length is 8 characters.

For assistance contact the Vendor BidBuy Help Desk by email at or by phone at 866-455-2897
Hours of Operation: Monday through Friday from 8:30am to 4:30pm CT.