MARCO RUBBER & PLASTICS, LLC

MARCO RUBBER & PLASTICS, LLC specializes in the precision manufacturing of gaskets, packings, and sealing devices for mission-critical defense applications. Their core expertise lies in producing high-performance elastomeric components, particularly O-rings engineered for demanding environments, including those used in DURA-X tile systems. The contractor demonstrates deep technical proficiency in material selection, dimensional tolerancing, and sealing interface design for marine and military equipment, ensuring leak-proof performance under extreme pressure, temperature, and chemical exposure. Their ability to deliver custom-formulated rubber and plastic seals to exact military specifications positions them as a trusted supplier for components requiring rigorous environmental and mechanical reliability. The company maintains a consistent relationship with the Department of Defense, supplying sealed components for naval and maritime systems, with documented work supporting DLA Maritime – Portsmouth. Their contract history reflects a focus on repeatable, high-precision parts for propulsion, hull, and underwater equipment applications, indicating a pattern of long-term, mission-critical supply partnerships within defense logistics channels. Operating under NAICS 339991, MARCO RUBBER & PLASTICS, LLC is firmly positioned in the industrial sealing and gasket manufacturing sector, serving the defense and aerospace verticals. Their specialization in elastomeric sealing solutions for harsh operational conditions aligns them with defense contractors and system integrators requiring certified, repeatable components that meet MIL-SPEC and military engineering standards. As a small business entity structured as 2K and based in Seabrook, New Hampshire, the company operates with a lean, focused production model tailored to niche government requirements. While no formal government certifications are listed, their consistent delivery of specialized sealing components to defense agencies underscores a proven track record of quality control and supply chain reliability within the federal procurement ecosystem.