Mission Systems Davenport Inc.

Mission Systems Davenport Inc., doing business as Mission Systems AAR, manufactures mission-critical aviation oxygen systems, regulators, concentrators, test sets, and aircraft components for the Department of Defense as a foreign-owned prime contractor, holding no SBA certifications and competing exclusively in full-and-open, unrestricted procurements. The company is a subsidiary of Eaton Corporation and operates as both a prime contractor (91% of its 3,086 federal awards) and subcontractor to major defense firms including The Boeing Company, Lockheed Martin, Raytheon, Northrop Grumman, Sikorsky Aircraft, Textron Aviation Defense, BAE Systems, and L3Harris Technologies.

Mission Systems Davenport's federal footprint centers on naval and air force aviation sustainment, with top-tier customer concentration led by the Naval Supply Systems Command (974 awards, $232.8 million combined potential value), Defense Logistics Agency Aviation (819 awards, $298.2 million), and Naval Air Warfare Center (181 awards, $233.3 million), collectively accounting for approximately 72% of recent awards and 83% of combined potential value. The company's award portfolio spans 62 federal customer agencies with cumulative potential value of $1.1 billion and obligated dollars of $743.3 million (68% of combined potential value). NAICS concentration is heavy in Other Aircraft Parts and Auxiliary Equipment Manufacturing (1,283 awards) and Aircraft Manufacturing (335 awards); PSC concentration emphasizes Miscellaneous Aircraft Accessories and Components (642 awards) and Aircraft Air Conditioning, Heating, and Pressurizing Equipment (641 awards).

Recent capability work includes a $1.695 billion Naval Supply Systems Command delivery order for oxygen concentrators (June 2026), a $3.466 million Air Force Materiel Command sole-source purchase order for Common Regulator Test Stands (July 2025), a $5.5 million Naval Sea Systems Command definitive contract for underwater warfare parachute release assemblies (September 2024), a $2.111 million Naval Sea Systems Command definitive contract for UWARS and parachute assemblies (August 2025), a $1.391 million Naval Supply Systems Command definitive contract for aircraft generators (November 2025), and a $3.141 million Air Force Sustainment Center delivery order for remanufactured PBG oxygen regulator field testers (May 2026). The company also holds a $14.53 million Naval Supply Systems Command indefinite delivery contract awarded August 2024, a $9.054 million Air Force Sustainment Center IDC for PBG oxygen regulator field tester remanufacturing, and an $11 million Naval Air Warfare Center Basic Ordering Agreement for on-board oxygen generating systems and related services.

Activity has grown from 131 awards in 2023 to 165 in 2024 and 184 in 2025, before declining to 40 in 2026 (reflecting the source's snapshot through October 2026). The recompete cliff shows 57 awards with ultimate completion dates within the next twenty-four months, combining to $62.8 million in potential value. As a subcontractor, Mission Systems Davenport delivers oxygen systems, restraint systems, and aircraft interior components across multiple Boeing programs (C-17 Globemaster III sustainment, F-15 conversion support, Apache full-rate production, Eagle Talon II), Lockheed Martin Army special operations aviation support and integrated logistics support, Raytheon F-22 sensor enhancements, Northrop Grumman on-board oxygen generation systems, Sikorsky aircrew restraint systems, Textron Aviation T-6 sustainment engineering, and L3Harris advanced indefinite delivery vehicles. The company has maintained continuous federal contracting presence since 2001.