3MC MOBILE & MECHANICAL REPAIR LLC

3MC MOBILE & MECHANICAL REPAIR LLC specializes in critical marine systems repair and maintenance for U.S. government vessels, with deep expertise in propulsion, exhaust, and auxiliary piping systems. The contractor delivers complex mechanical interventions on Coast Guard and NOAA vessels, including gas turbine piping renewal, heat exchanger replacement, exhaust piping inspection and repair, and relief valve servicing. Their technical focus centers on high-pressure fluid systems, marine propulsion components, and aviation readiness support for cutters, demonstrating proficiency in shipboard mechanical integration, preventive maintenance protocols, and mission-critical repair execution under operational constraints. Their ability to execute precise, time-sensitive repairs on classified and operational assets underscores a strong understanding of naval engineering standards and maritime regulatory compliance. The company maintains a consistent partnership with the Department of Homeland Security, primarily supporting U.S. Coast Guard cutters such as the Legend-class WMSL vessels, delivering scheduled and unscheduled maintenance on propulsion, exhaust, and auxiliary systems. They also serve the Department of Commerce through targeted mechanical upgrades on NOAA research vessels, particularly involving engine heat exchanger replacement and mission-specific system refurbishment. These relationships reflect a pattern of trusted, recurring work tied to vessel availability and mission continuity. The primary NAICS code 336611 reflects a dedicated focus on shipbuilding and repair, specifically mechanical and propulsion system overhaul. The contractor operates within the federal maritime support sector, positioning itself as a niche provider of on-site, mobile mechanical repair services for federal fleet assets, complementing larger shipyard capabilities with rapid-response expertise. As a small business structured as a 2L entity based in Hilliard, FL, 3MC MOBILE & MECHANICAL REPAIR LLC operates without federal certifications but leverages geographic proximity to key maritime hubs to deliver agile, field-deployable maintenance solutions. Their market positioning is defined by technical precision, rapid turnaround, and direct support of operational readiness for federal maritime missions.