RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities in Jefferson County, Missouri

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, bridge-replacement design, and limited construction engineering services for the Harness Road Bridge over Plattin Creek.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway safety improvements, including roadway design, surveying, environmental services, and limited construction engineering for the Lonedell Road project.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, design, and limited construction engineering services for safety improvements from Old State Route 21 to Forest View.

Jefferson County, Missouri, is seeking a consulting engineering firm for Bear Creek Road safety improvements, including roadway design, surveying, environmental studies, construction documents, cost estimating, and limited construction engineering.

Jefferson County, Missouri is seeking bids for bituminous mixture materials for 2027.

Jefferson County, Missouri, is seeking a consulting engineering firm for roadway, surveying, environmental, design, and limited construction engineering services for the Miller Road pedestrian improvement project.

Jefferson County, Missouri, is seeking a contractor to support and service HVAC control systems, including WebCTRL support, Cradlepoint licensing and IT support, software and server assurance, phone support, and hardware upgrades at county facilities.

Jefferson County Library District is requesting bids for a custodial services contract, with bids due October 13, 2026, at 9:00 AM CST.

Jefferson County, Missouri, is seeking a consulting firm to develop a countywide roadway safety plan, including crash-data analysis, roadway evaluations, safety countermeasures, cost estimates, and public engagement.

The Arnold Retail Corridor Transportation Development District is seeking a qualified firm or individual to provide monthly bookkeeping, reporting, and tax allocation services.

Jefferson County, Missouri, is seeking a consulting engineering firm for Saline Road Safety Improvements—Phase 4, including roadway design, surveying, environmental studies, and limited construction engineering.

Jefferson County, Missouri is seeking sealed bids for HVAC controls services in 2026.

Jefferson County, Missouri, is seeking proposals to install and test a natural-gas incinerator with a minimum 400-pound batch capacity and 12-cubic-foot chamber at the Sheriff's Office, with optional electrical, gas, anchoring, and concrete-pad work.

Jefferson County, Missouri is requesting sealed proposals for the rebid of a Sheriff's Office incinerator project for 2026.

The City of De Soto, Missouri is seeking bids for general contracting services to construct an addition and remodel the existing Animal Control Building at 1310 Public Works Drive.

High Ridge Fire Protection District is soliciting proposals for ballistic protective equipment for firefighting personnel, due October 2, 2026, at 2:00 p.m.

St. Louis County is seeking bids to install speed humps and related incidental improvements on streets in various subdivisions under the NFL Fund Subdivision Traffic Calming, Package 1 project.

St. Louis County is seeking a contractor for mill and overlay, base repairs, ADA-compliant curb ramps and sidewalks, and traffic signal upgrades on Howdershell Road from I-270 to Utz Lane.

St. Louis County is seeking bids for clearing, pavement removal, excavation, concrete sidewalk and curb-ramp construction, sodding, and related improvements on New Halls Ferry Road.

St. Louis County is seeking bids to install speed humps and related incidental work on streets in various subdivisions.

St. Louis County is soliciting bids for residential waste, yard waste, recycling, and optional collection services across eight Waste Management Districts in unincorporated St. Louis County, with eight expected contracts and a five-year agreement duration.

The City of Byrnes Mill, Missouri, is seeking sealed proposals for residential curbside solid waste, trash, recycling, and yard waste collection services for approximately 1,300 housing units.

The City of Eureka, Missouri is seeking bids for banking depository services, with sealed bids due by September 30, 2026.

The City of Wildwood is seeking a contractor to construct the Green Pines Trail Extension Project, including trail improvements, appurtenances, materials, equipment, and labor.

The City of Columbia, Illinois, is seeking experienced farmers to lease and farm approximately 92.27 tillable acres of City-owned agricultural property for an anticipated three-year term.