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Illinois DNR - Natural Resources·Illinois

Cahokia Mounds State Historic Site Concession Services - Sole Source

Closes 11/5/2025$500k – $2MSole Source
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Description

The State of Illinois is seeking a sole source contract for concession services at the Cahokia Mounds State Historic Site. The contract will be awarded to the Cahokia Mounds Museum Society for a period of three years. The society will operate a gift shop concession at the site. • The contract is for a three-year period. • The concession services will be provided at the Cahokia Mounds State Historic Site. • The contract is a sole source contract, meaning it will be awarded to a single vendor without competition. • The Cahokia Mounds Museum Society is the intended contractor for this sole source contract.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Dianne Richman(Chief Procurement Office)

[email protected]

(217) 622-1857

Key dates

Opened
10/22/2025
Closes
11/5/2025
Duration
3 years

Last updated

Details

Type
Sole Source
Industry
Hospitality and Tourism
NAICS
722310
Solicitation №
26-422DNR-REALT-B-49777

Budget estimate

$500,000 – $2,000,000

Since the contract details do not specify the exact budget, we can estimate the budget range based on similar concession contracts. For a three-year contract, the budget could be in the range of $500,000 to $2 million, depending on the number of visitors, the types of concessions offered, and the revenue-sharing model. Factors influencing the likely payment range include the site's visitor numbers, the variety and pricing of concessions, and the contract terms.

AI estimate from the solicitation

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