TNN MACHINING COMPANY, L.L.C.

TNN Machining Company, L.L.C. specializes in precision machining and manufacturing of critical mechanical components for defense and industrial applications. Their core capabilities include the fabrication of transmission systems, powertrain parts, and high-tolerance machined assemblies using advanced CNC milling, turning, and grinding processes. The company demonstrates deep expertise in producing components for mechanical power transmission equipment, industrial machinery, and specialized aerospace and maritime systems, adhering to strict military and industrial specifications. Their technical proficiency spans material handling for high-strength alloys, tight-tolerance dimensional control, and compliance with ASME Y14.5 geometric dimensioning standards. As a Women-Owned Small Business, they bring a focused, agile approach to mission-critical manufacturing with an emphasis on reliability, repeatability, and on-time delivery for complex, low-volume production runs. The contractor maintains a strong and consistent relationship with the Defense Logistics Agency, particularly DLA Land and Maritime and DLA Aviation, supplying precision-machined parts essential to ground vehicle systems, aircraft components, and logistics support equipment. Their work supports sustainment, repair, and overhaul missions, often under indefinite delivery contracts requiring rapid response and flexible production scaling. This recurring engagement reflects a trusted partnership built on consistent quality and adherence to defense supply chain protocols. Industry focus centers on NAICS 333613 for mechanical power transmission equipment and 332722 for machine shop services, indicating a specialization in high-reliability, low-volume manufacturing for defense and heavy machinery sectors. The company’s vertical expertise lies in supporting the DoD’s maintenance and logistics infrastructure through custom-machined parts that replace obsolete or damaged components. Their market positioning is that of a niche, responsive precision manufacturer serving mission-critical defense supply chains. TNN Machining Company, L.L.C. is a Women-Owned Small Business headquartered in Houston, Texas, with a lean, specialized operational structure designed for agility in government contracting. Their WOSB certification enhances access to federal set-aside opportunities, reinforcing their role as a trusted supplier in the defense industrial base.