SLED Opportunity · ILLINOIS · ILLINOIS

Change Order Notice I-18-4701 Const. Corridor Manager-Owner Representative Services IL 390-I 490

Issued by Illinois

stateSource SoughtIllinoisSol. 26-557THA-ENGCO-B-51558

Closed

STATUS

Closed

due Apr 15, 2026

PUBLISHED

Mar 30, 2026

Posting date

JURISDICTION

Illinois

state

NAICS CODE

541330

AI-classified industry

AI Summary

Change Order Notice for Construction Corridor Manager-Owner Representative Services on IL 390-I 490 in Illinois. This is a 2nd supplement and not a solicitation.

Opportunity details

Solicitation No.: 26-557THA-ENGCO-B-51558
Type / RFx: Source Sought
Status: OPEN
Level: state
Published Date: March 30, 2026
Due Date: April 15, 2026
NAICS Code: 541330 AI guide
Jurisdiction: Illinois
State: Illinois
Agency: Illinois

Description

2nd Supplement This is Not a Solicitation See Item Description For Details

Key dates

March 30, 2026Published
April 15, 2026Responses Due

AI classification tags

construction management services owner representative services construction corridor management infrastructure project management state government contracting

Frequently asked questions

SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.

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