Davinroy Mechanical Contractor, Inc.

Davinroy Mechanical Contractor, Inc., doing business as Davinroy Plumbing Heating & Mechanical, is a small business federal contractor headquartered in Belleville, Illinois that has maintained continuous SAM.gov registration since January 2002. The company specializes in providing comprehensive mechanical, construction, and infrastructure services to federal agencies, with a particular emphasis on HVAC systems, plumbing, electrical work, facility maintenance, and construction-related services. Davinroy has established itself as a reliable partner for military installations and federal facilities, leveraging over two decades of federal contracting experience to support critical infrastructure and operational requirements across multiple departments and agencies.

Davinroy's historical contract portfolio demonstrates substantial expertise across diverse infrastructure and mechanical service categories. The company has executed projects including preventative and corrective maintenance of refrigeration equipment at Scott Air Force Base, repair and replacement of boiler, piping, duct, and electrical systems at wastewater treatment plants, backflow system replacements at Gateway Arch National Park, condenser and evaporator repairs for walk-in coolers, and parking lot maintenance including sealing and striping services. Additional work has encompassed window tinting installation, sewer piping repairs, spill gate repairs, sewage ejector pump replacement, relief well construction for flood control projects, and supply fan replacement for wastewater treatment facilities. Davinroy has received awards from the Department of the Air Force Air Mobility Command, the National Park Service (both Intermountain Region and Midwest Region), the U.S. Army Corps of Engineers, and the Department of Interior. Contract values have ranged from approximately $14,000 to over $5.5 million, with several contracts designated as total small business set-asides while others were awarded on a competitive basis without set-aside restrictions. Notable definitive contracts included a $2,032,358 pump replacement and installation project for the Army Corps of Engineers and a $5,506,511.09 relief well construction project for flood recovery operations.

Davinroy currently holds three significant Indefinite Delivery/Indefinite Quantity (IDIQ) contract vehicles totaling $185 million in ceiling value. The company was awarded a $45 million Multiple Award Paving Contract (MAPC) by the Air Mobility Command effective September 2025 through September 2033, a total small business set-aside focused on repair, maintenance, and construction of roads, airfields, parking lots, curbs, sidewalks, and related infrastructure systems at Scott Air Force Base, with individual task order values ranging from $2,000 to $5,000,000 and a guaranteed minimum of $500. Davinroy also holds a $50 million Multiple Award Task Order Contract (MATOC) with the U.S. Army Corps of Engineers, St. Louis District, effective September 2025 through September 2030, designated as a total small business set-aside for operations and maintenance dredging services, borrow operations, disposal operations, and turfing activities across multiple waterways and reservoirs in the St. Louis District Area of Responsibility, with anticipated individual task order values ranging from $20,000 to $15,000,000. Additionally, the company holds a $90 million Multiple Award Construction Contract (MACC) with the Air Mobility Command at Scott Air Force Base, effective May 2024 through April 2032, a total small business set-aside that enables Davinroy to compete for firm fixed-price construction and infrastructure task orders including HVAC, plumbing, electrical, paving, demolition, and landscaping services. These three IDVs position Davinroy as a significant infrastructure and construction services provider within the federal contracting ecosystem, with established relationships across multiple military installations and federal agencies.

Construction Contractor,engaged in general site utilities, plumbing and mechanical construction. Contracts ranging from $500.00 to $8,000,000.00