Illinois BidBuy
The State of Illinois is pleased to present its 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.
Supplier Activities
Public Bulletins
Vendor Training: Tuesday Afternoon Procurement Series (TAP)
Looking to do business with the State of Illinois? Join the Chief Procurement Office – General Services every third Tuesday at 2:00 PM CT for the Tuesday Afternoon Procurement Series. These monthly sessions offer practical, focused training to help vendors navigate and succeed in State contracting.
Vendor Training: Tuesday Afternoon Procurement Series (TAP)
Join live vendor trainings and review past trainings here.
Important Links
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How to Register in BidBuy Guides and Videos
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Vendor Seller Manual
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Pathway to Procurement
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Special Programs for Small and Diverse Business Enterprises
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Illinois Procurement Gateway
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Training Manuals and Job Aids
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Vendors: Reasons your Bid or Offer may be Deemed Non-Responsive (Disqualified)
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Vendors: Pricing Lockbox (for RFPs) and Required Quote Attachments