MARATHON MACHINING & TOOL, INC.

Marathon Machining & Tool, Inc. specializes in the precision manufacturing of mission-critical aircraft components and specialized fluid measurement systems for defense applications. Their core capabilities encompass the fabrication of complex aerospace parts, including fluid storage and delivery systems such as water-alcohol tanks, alongside the design and production of totalizing fluid meters and counting devices used in high-reliability military platforms. The company demonstrates deep expertise in tight-tolerance machining, material selection for demanding environments, and adherence to stringent military specifications for form, fit, and function. Their technical proficiency lies in CNC machining, secondary operations, and quality control processes tailored to defense-grade requirements, ensuring consistent performance under extreme operational conditions. The contractor maintains a focused relationship with the Department of Defense, delivering engineered components that support aviation and tactical systems. Their work directly enables sustainment and modernization efforts across airborne platforms, with a clear emphasis on mission-critical subsystems requiring high repeatability and zero-defect outcomes. All engagements reflect a pattern of responding to urgent, specification-driven procurement needs within the defense industrial base. Industry focus centers on NAICS 336413 for aircraft auxiliary equipment and 334514 for fluid metering devices—both niche segments requiring precision engineering and traceable manufacturing processes. Marathon Machining & Tool positions itself as a specialized supplier to defense OEMs and system integrators, serving applications where reliability and dimensional accuracy are non-negotiable. As a small business structured as a 2L entity based in Riverside, California, the company operates with agility and localized supply chain integration. While it holds no formal government certifications, its consistent delivery of defense-grade hardware underscores a proven track record of meeting stringent federal quality and compliance standards without relying on formal set-aside designations.