RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Saint Louis, Missouri

Browse open government contracting RFPs, RFIs, RFQs, and Sources Sought in Saint Louis, Missouri on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies across Saint Louis, Missouri, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

StatusTitleBuyerDue Date
OpenWorkers' Compensation and Water Studies Actuarial Services

The Metropolitan St. Louis Sewer District is requesting actuarial services for workers' compensation and water studies under RFP 1570.

St. Louis, MO, USA•Request for Proposal (RFP)
Metropolitan St. Louis Sewer District11/16/2026
OpenCorrosion Repairs and Metal Stair Construction

St. Louis County is soliciting bids for corrosion repairs, including painting and strengthening steel members, and design and construction of a new metal stair at two transportation districts; the project magnitude is $250,000 to $500,000.

St. Louis County, MO, USA•Invitation for/to Bid (IFB/ITB)
St. Louis County > Procurement Division11/19/2026
OpenCarpet Replacement

The Metropolitan St. Louis Sewer District is requesting quotes for carpet replacement.

St. Louis, MO, USA•Request for Quote/Qualifications (RFQ)
Metropolitan St. Louis Sewer District12/29/2026
OpenGeotechnical Exploration Capability Statements

The U.S. Army Corps of Engineers, St. Louis District, is conducting market research on contractors capable of performing geotechnical exploration and requests capability statements.

St. Louis, MO, USA•Sources Sought
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W07V ENDIST ST LOUIS (KO CONTRACTING DIVISION)12/8/2026
OpenSecurity Camera System

West County EMS and Fire Protection District is seeking sealed bids for a security camera system.

St. Louis, MO, USA•Request for Proposal (RFP)
West County EMS and Fire Protection District-
OpenMilitary Aircraft Repairs and Spare Parts Agreement

The U.S. Navy’s NAVSUP Weapon Systems Support is pursuing a sole-source, five-year Boeing agreement for aircraft repairs and spare parts supporting several military platforms.

St. Louis, MO, USA•Sole Source
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)11/25/2026
OpenMicrosoft Configuration Manager Managed Services

St. Charles County Government is seeking a managed services provider for its Microsoft Configuration Manager environment, including related Intune support, application deployment, patch management, and an operational dashboard under a one-year agreement with four annual renewal options.

St. Charles County, MO, USA•Request for Proposal (RFP)
St. Charles County > Finance Department11/24/2026
OpenAdapter Assembly Repair, Overhaul, and Testing

The U.S. Navy is seeking repair, overhaul, testing, and inspection of 64 adapter assemblies, with delivery FOB origin.

St. Louis, MO, USA•Request for Proposal (RFP)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)11/23/2026
OpenLabor Market Information Software

St. Louis Community College is seeking labor market information software to analyze regional workforce demand, evaluate educational programs, identify training gaps, and support data-informed program planning.

St. Louis, MO, USA•Request for Proposal (RFP)
St. Louis Community College > Department of Purchasing11/25/2026
OpenInvestment Banking Services

The Metropolitan St. Louis Sewer District is seeking investment banking services through RFP 1588.

St. Louis, MO, USA•Request for Proposal (RFP)
Metropolitan St. Louis Sewer District11/17/2026
OpenF-15 Left-Hand Ramp Diffuser

The Defense Logistics Agency is seeking sources for 19 F-15 left-hand ramp diffusers, with an anticipated sole-source award to The Boeing Company.

St. Louis, MO, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA AVIATION AT WARNER ROBINS, GA (DLR PROCUREMENT OPERATIONS [AW])11/25/2026
OpenNeighborhood Plan Implementation Grants

The City of St. Louis Community Development Administration is seeking applications for grants of up to $607,000 to implement adopted neighborhood plans through large-scale improvements, programs, services, and developments.

St. Louis, MO, USA•Grant
City of St. Louis > St. Louis Development Corporation11/16/2026
OpenExternal Audit and Tax Compliance Services

The Heartland Regional Investment Fund is seeking a certified public accounting firm to audit its financial records and those of approximately 12 subsidiary funds, prepare and file associated tax returns, and review internal controls for fiscal years 2026–2028.

St. Louis, MO, USA•Request for Proposal (RFP)
Heartland Regional Investment Fund, LLC11/13/2026
OpenAirborne Intercommunication System Repair and Upgrade

The U.S. Navy is requesting a quote to repair and upgrade 56 airborne intercommunication system units, including testing and inspection, with pricing as either firm-fixed-price or time-and-troubleshooting.

St. Louis, MO, USA•Request for Quote/Qualifications (RFQ)
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)1/5/2027
OpenSewer District Procurement Opportunities

The Metropolitan St. Louis Sewer District is requesting quotes, bids, proposals, and single source procurements for various projects, with details available on their online portal.

St. Louis, MO, USA•Other
Metropolitan St. Louis Sewer District-
OpenExternal Audit and Tax Compliance Services

Heartland Regional Investment Fund, LLC is seeking audit and tax compliance services, including financial statement preparation and tax return support, from a firm able to perform the engagement remotely.

St. Louis County, MO, USA•Request for Proposal (RFP)
St. Louis Economic Development Partnership11/13/2026
OpenGym Flooring

The City of Florissant is seeking bids for gym flooring under solicitation 25-0273-PR.

St. Louis, MO, USA•Invitation for/to Bid (IFB/ITB)
City of Florissant-
OpenWireless Access Points for School District

Ritenour School District is seeking 200 wireless access points compatible with its existing Cisco wireless infrastructure for installation across 15 district locations.

St. Louis, MO, USA•Request for Proposal (RFP)
New York R-IV School District12/3/2026
OpenRDP CSO Storage Tunnel Construction Prequalification

The Metropolitan St. Louis Sewer District is seeking prequalification for construction of the Lower and Middle RDP CSO Storage Tunnel from Broadway to the RDP tubes.

St. Louis, MO, USA•Request for Proposal (RFP)
Metropolitan St. Louis Sewer District12/4/2026
OpenF/A-18 and EA-18G Navigation Warfare A-Kits

The Naval Air Systems Command is pursuing a sole-source delivery order to Boeing for manufacturing, assembly, and installation support of ECP 6315C3 Navigation Warfare A-Kits for F/A-18 and EA-18G aircraft.

St. Louis, MO, USA•Sole Source
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVAL AIR SYSTEMS COMMAND (NAVAIR HQS)12/28/2026
OpenTarget-Location Processor Repair and Upgrade

The U.S. Navy’s NAVSUP Weapon Systems Support Philadelphia office is soliciting a firm-fixed-price repair and upgrade of 70 DTP-N target-location processors, with Boeing identified as the sole-source supplier.

St. Louis, MO, USA•Sole Source
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)12/10/2026
OpenHazardous Material Supplies

The City of St. Louis Supply Division is soliciting bids for hazardous material supplies, with item-level pricing and delivery to various City departments.

St. Louis, MO, USA•Invitation for/to Bid (IFB/ITB)
City of St. Louis > Supply Division11/12/2026
OpenMarketing and Communications Services

Great Rivers Greenway is seeking qualified vendors for marketing, communications, web development, creative, and production services for its 2027–2029 vendor list, with project work awarded as needed and a preference for local vendors.

St. Louis, MO, USA•Request for Quote/Qualifications (RFQ)
Great Rivers Greenway11/13/2026
OpenProperty Testing and Site Investigations for a Future Fire Station

Mid-County Fire Protection District is seeking bids for property testing and investigations, including environmental, surveying, geotechnical, drainage, utility-capacity, and earthwork analyses, to evaluate a site for a future fire station.

St. Louis, MO, USA•Invitation for/to Bid (IFB/ITB)
Mid-County Fire Protection District11/13/2026
OpenAircraft Test Adapter Repair and Overhaul

The U.S. Navy is seeking repair, overhaul, testing, and inspection of one aircraft test adapter, with a 90-day repair turnaround requirement.

St. Louis, MO, USA•Sole Source
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NAVSUP WEAPON SYSTEMS SUPPORT (PHILADELPHIA)11/23/2026
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