SPHERE ALLIANCE INC

SPHERE ALLIANCE INC specializes in the design, manufacturing, and supply of high-performance nonmetallic sealing systems and structural fittings for demanding defense applications. Their core expertise lies in gasket, packing, and sealing device manufacturing, with proven proficiency in custom compound formulations, rubber and plastic hose/belting systems, and resin compounding tailored for extreme environmental conditions. The contractor delivers mission-critical sealing solutions—including heat exchanger seals, structural fittings, and nonmetallic specialty components—that meet stringent military specifications for thermal resistance, chemical inertness, and mechanical durability. Their technical capabilities extend to precision molding, elastomer formulation, and material compatibility engineering, ensuring reliable performance in aerospace, naval, and ground vehicle systems where leakage prevention and structural integrity are paramount. The company maintains a consistent and deep relationship with the Department of Defense, supplying mission-critical sealing and fluid control components across multiple platforms. All recent awards originate from DoD entities, indicating a focused engagement with defense logistics, maintenance, and systems integration teams requiring certified, low-leakage components for equipment sustainment and modernization. SPHERE ALLIANCE INC’s primary industry focus is in gasket and sealing device manufacturing (NAICS 339991), with complementary work in rubber/plastic hose manufacturing (326220) and custom resin compounding (325991). These capabilities position them as a niche supplier of engineered polymer-based components for defense and industrial systems requiring precision sealing, corrosion resistance, and thermal stability. As a small business structured as a 2L entity based in Riverside, California, SPHERE ALLIANCE INC operates without federal certifications but leverages technical specialization to serve as a trusted supplier within the defense industrial base. Their geographic location supports timely delivery to West Coast defense manufacturing and logistics hubs.