DRS Sustainment Systems, Inc.

DRS Sustainment Systems, Inc., doing business as DRS Technologies, a wholly owned subsidiary of Leonardo DRS, Inc. (parent: Leonardo SPA, an Italian aerospace and defense conglomerate), is a major federal contractor providing military vehicle sustainment, cargo loader logistics, counter-unmanned aerial system components, and advanced defense electronics to the Department of Defense as a prime contractor on 98% of its award portfolio. The vendor competes full and open without set-asides across all customer agencies. DRS Sustainment Systems is headquartered in Bridgeton, Missouri, with performance locations in Hazelwood and West Plains, Missouri, and operates as a for-profit manufacturing and services business specializing in industrial machinery, military armored vehicles, radar and guidance systems, and engineering support.

Customer concentration is dominated by Air Force Materiel Command's Life Cycle Management Center at Robins Air Force Base (275 awards, $3.48 billion combined potential value) and the Army's Program Executive Offices for Missiles and Space ($1.83 billion across 29 awards) and Combat Support and Combat Service Support ($1.33 billion across 34 awards). These three customers account for approximately 81% of combined potential value across the entire portfolio. The Army Materiel Command Contracting Command Detroit Arsenal rounds the top five at 112 awards and $953.8 million potential value. The vendor serves 54 distinct federal agencies, but Air Force and Army programs represent the dominant customer base.

DRS Sustainment Systems holds several single-award indefinite delivery contracts anchoring major service lines. The $220.8 million Tunner Loader support IDIQ with AFLCMC Robins (award date June 30, 2025, through June 29, 2030) procures overhaul, power pack unit overhaul, and depot-level maintenance for the 60K Tunner Aircraft Cargo Loader. The $40.4 million Halvorsen 25K cargo loader overhaul and maintenance IDIQ (September 15, 2025, through September 14, 2030) covers the same services for the Halvorsen 25K transporter. The $42.5 million Stryker vehicle technical support IDIQ with Army Contracting Command Warren (February 1, 2024, through January 31, 2029) delivers System Technical Support, Sustainment System Technical Support, and Post-Production Software Support for the Stryker Family of Vehicles program. The $226.6 million Trophy B-Kit procurement IDIQ with PEO Ground Combat Systems (September 22, 2022, through September 20, 2027) covers Trophy active protection system components and associated electronics. DRS Sustainment Systems was awarded a position on the $151 billion Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) multiple-award IDIQ with the Missile Defense Agency (December 29, 2025, through December 28, 2035), supporting multi-domain defense capabilities including detection, tracking, and interception of air, missile, space, and cyber threats. Representative recent delivery orders include a $175.2 million Stryker armored personnel carrier procurement (August 21, 2025), a $31.7 million Tunner Loader support order (June 30, 2025), and a $27.9 million Foreign Military Sales contract for 25 heavy-duty tank trailers for Israel (December 27, 2023). The vendor also executes work under cargo loader overhaul, aircraft radar repair, counter-UAS systems development, and Early Entry Fluid Distribution System (E2FDS) production vehicles.

Top NAICS categories reflect the cargo-handling and armored-vehicle focus: Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing (285 awards), Military Armored Vehicle, Tank, and Tank Component Manufacturing (194 awards), and Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (126 awards). Top PSC codes mirror this profile — Trailers (192 awards), Maintenance/Repair/Rebuild of Materials Handling Equipment (173 awards), and Electrical and Electronic Assemblies (167 awards).

Award activity has grown modestly — 23 awards in 2022 to a peak of 46 in 2024 — with 14 awards (combined potential value $845.5 million) reaching ultimate completion inside the next twenty-four months and facing recompete. The vendor's largest parent vehicles are single-award indefinite delivery contracts with AFLCMC Robins (contracts FA851904D0006, 77 task orders, $2.9 billion; FA851914D0001, 67 task orders, $656.3 million; FA851914D0007, 65 task orders, $159.4 million).

DRS Sustainment Systems operates primarily as a prime contractor (98% of awards) with a small subcontractor footprint (49 sub awards). Service Contract Inventory data covering FY2022–FY2024 shows SCI-reportable invoiced revenue of $67 million across the three fiscal years, with 75.5 FTEs delivered in FY2024. Government-paid hourly rates on federal services contracts captured in SCI range from around $28/hr at the low end to $607/hr for senior technical labor, with a median around $145/hr. Across SCI-reportable prime contracts, an average of 5% of contractor hours were performed by subcontractors. The vendor's subcontracting network includes major primes General Dynamics Land Systems (SGT STOUT/Maneuver Short-Range Air Defense System work), Raytheon Company (PATRIOT Firing Units), Lockheed Martin Corporation (Conformal Array Sensor System repairs), and ManTech Advanced Systems International (ALECS vehicle parts); these relationships reflect DRS Sustainment Systems' role as a specialized component and sustainment supplier to larger platform integrators. The vendor also names recurring subcontractors such as Northrop Grumman Systems Corp, Rafael Advanced Defense Systems, Moog Inc., and DRS Advanced ISR LLC on M-LIDS counter-UAS development and sustainment task orders.