Linear Motion LLC

Linear Motion LLC, operating as Thomson Aerospace & Defense, is a foreign-owned, for-profit manufacturer specializing in the production and remanufacturing of precision linear motion components for aerospace and defense applications. Based in Saginaw, Michigan, the company has maintained federal contractor status since its registration in SAM.gov on September 26, 2001, and serves as a critical supplier of specialized components that support the operational readiness of U.S. military aircraft platforms. Linear Motion LLC's core competency centers on designing and manufacturing ballscrew assemblies, bearing sleeves, ball bushings, shafts, and other linear motion hardware essential to aircraft flight control systems and mechanical operations across multiple defense platforms.

Through its prime federal contract awards, Linear Motion LLC has demonstrated extensive expertise in delivering specialized components and remanufacturing services to the Department of Defense, with a particular focus on sustaining critical military aircraft platforms including the B-52 Stratofortress, E-3 Sentry Airborne Warning and Control System, and C-130 Hercules. The company's prime contract work encompasses firm fixed-price delivery orders, purchase orders, and definitive contracts awarded by the Air Force Sustainment Center, Defense Logistics Agency Aviation, Naval Supply Systems Command, and other defense agencies for the manufacture, remanufacture, repair, and restoration of ballscrew assemblies, flap drive ball screw assemblies, bearing components, and related linear motion hardware. Notable awards include a $1.28 million definitive contract from the Air Force Sustainment Center for B-52 ballscrew assembly manufacturing (completed December 2025), an $821,321 definitive contract for 98 B-52 ballscrew assemblies (completed January 2026), an $816,840 contract from Naval Supply Systems Command for ballscrew assemblies (completed June 2026), and multiple smaller delivery orders and purchase orders ranging from approximately $9,800 to $530,000 across various defense platforms. All prime contract awards have been executed without set-aside designations, reflecting the highly specialized and technical nature of the components required. Additionally, Linear Motion LLC serves as a subcontractor to major defense primes including Lockheed Martin Corporation, General Dynamics Land Systems Inc., General Electric Company, Huntington Ingalls Inc., and Electric Boat Corporation, supplying bearing assemblies, shaft assemblies, ball bushings, and aviation engine hardware components spanning awards from June 2021 through January 2025.

Linear Motion LLC currently holds five active Indefinite Delivery Contracts with cumulative ceiling values exceeding $9.2 million, positioning the company as an established and reliable source for specialized linear motion components across the Department of Defense. The largest IDV is a $4.34 million single-award contract from the Air Force Sustainment Center for the remanufacture of B-52 ballscrew assemblies with a completion date of June 22, 2026, under which multiple delivery orders have been issued ranging from $181,927 to $829,055. The company also maintains a $1.99 million single-award indefinite delivery contract from Defense Logistics Agency Aviation for ballscrew assemblies (National Stock Number 1680-01-217-5837) with performance through August 2023, a $1.85 million IDC from DLA Aviation for bearing sleeves (NSN 4610083180) extending through November 30, 2026, a $752,304 contract from the Air Force Sustainment Center for E-3 flap drive ball screw assembly remanufacturing through August 27, 2026, and a $289,693 IDC from the Air Force Sustainment Center for the overhaul of E-3A ballscrew assemblies (NSN 1680-01-006-9996AW) through August 8, 2024. All IDVs are structured as single-award contracts without set-aside designations and support critical aircraft sustainment and readiness requirements across the Air Force, Defense Logistics Agency, and Naval supply systems. Delivery orders issued under these IDVs maintain firm fixed-price pricing structures and reflect the company's sustained role as a primary supplier for ballscrew assembly production, remanufacturing, overhaul, and related linear motion component services essential to maintaining the operational capability of strategic and tactical military aircraft platforms.