RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Cook County, Illinois

The City of Chicago Department of Transportation is seeking bids for the Auburn Gresham Corridor Improvements project, including construction on 79th Street and Halsted Street.

The City of Chicago is seeking event planning services for a period of up to three years.

The City of Chicago Department of Water Management is seeking bids for the supply of various oils, grease, and lubricants.

The Chicago Transit Authority is seeking construction services for the Red Line Extension's 120th Yard, Shop, and Substation, with proposals due October 7, 2026.

The Chicago Department of Transportation is seeking bids for the BOTY Corridor Improvements Section 2 on 47th Street from S Hoyne Ave to S Loomis Blvd, including construction services.

The Chicago Park District is seeking applications from preferred professionals to provide catering, event rental supply, and event production services at its special event venues.

The Chicago Housing Authority is seeking a qualified software developer to provide a Digital Asset Management platform with 6 TB of storage, admin and editor user seats, and setup/training services over a 3-year base term with two 1-year options.

The City of Chicago's Department of Finance is seeking a contractor to provide parking enforcement services, with proposals due by September 18, 2026.

The Public Building Commission of Chicago is seeking firms to provide as-needed construction cost estimating and cost consulting services for various public projects under a three-year agreement with two one-year extension options.

The City of Chicago Department of Procurement Services is seeking professional support and maintenance for its Supervisory Monitoring System and Fire Alarm Monitoring Systems for the Chicago Department of Aviation.

The City of Chicago is seeking construction bids for a federally funded grade-separated service roadway at O'Hare Airport.

The Chicago Housing Authority is providing a training manual for suppliers on how to respond to events via their supplier portal.

Cook County Health is seeking a qualified healthcare compliance consulting firm to provide compliance advisory, regulatory research, project management, risk assessments, auditing, monitoring, policy review, education, and supplemental staffing services for its system-wide Corporate Compliance Program.

Chicago Public Schools is seeking a contractor to provide external auditing services, with proposals due by September 4, 2026.

The Chicago Housing Authority is seeking a contractor for elevator modernization performance and reliability assessment across 52 buildings in Chicago, IL.

The Chicago Park District is seeking professional auditing services for its 2026–2030 annual financial statements and Reports on Federal Awards.

Metra is seeking a five-year purchase agreement for locomotive wheel plates.

Metra, a Chicago-area commuter rail agency, is seeking information from companies that provide uniforms for its customer care staff.

The Chicago Housing Authority is seeking a contractor to assess elevator modernization performance and reliability across its properties, including verification of installed equipment, operational testing, and reporting over a 150-day period.

The Chicago Housing Authority is seeking bidders to assess elevator modernization work and operational performance across 52 buildings in Chicago, Illinois.

The City of Chicago Department of Procurement Services is seeking bottled drinking water, distilled water, and water cooler rental services under solicitation 1197406C.

Cook County Health is seeking proposals for provider-based partners to deliver delegated care management and value-based care programs for its CountyCare Medicaid health plan.

Metra is seeking a contractor for the operation and maintenance of its commuter parking facilities under RFP 204987, with responses due September 14, 2026.

The City of Chicago Department of Water Management is seeking construction services for block-level lead service line replacement on West 19th Street between South Hoyne Avenue and South Damen Avenue.

The Chicago Transit Authority is requesting proposals to manufacture and deliver 30 clean battery-electric transit buses, with options for up to 220 additional buses and associated spare parts.