Soundwich

Employee size

51-200

Organization type

Privately Held

Headquarters

Cleveland, OH

Founded

1987

Born from an inventor’s 1987 patent for a layered engine-noise dampener, Cleveland-based Soundwich designs and manufactures engineered thermal, acoustical and underbody shielding for automotive and aerospace applications. The company has been a Tier 1 supplier since 1988 and now operates two manufacturing facilities on the 70-acre Cleveland Industrial Innovation Center campus. Soundwich’s 13 employee-held patents and certified quality systems support its expansion from 35 years focused on automotive work into aerospace, where it shipped its first parts in 2024.

• The Soundcoat Company IncSince 1963, The Soundcoat Company has engineered and manufactured acoustic systems and noise-control materials that absorb, block, and dampen sound and vibration. From its Deer Park headquarters, Soundcoat combines an in-house acoustics and materials lab with two U.S. manufacturing facilities and its proprietary Soundcoat 360™ process, allowing customers to test, model, and validate solutions before production. Its California facility adds clean-room manufacturing and aerospace registration for aviation and space applications.DEER PARK, NY
• Thermo-Tec AutomotiveSince 1987, family-owned Thermo-Tec Automotive has made heat and sound insulation for high-performance vehicles, with American-made products produced in Greenwich, Ohio. Its solutions have found their way from space missions and military applications to the cars of racers including Jack Roush and Joe Gibbs, as well as everyday enthusiast builds.GREENWICH, OH
• Roanwell Corporation LLCSince its founding in 1948, Roanwell Corporation has built a Bronx-based manufacturing business around dependable voice communication for demanding missions. Its engineers helped pioneer noise-canceling technology, secured more than 40 patents, and continue to develop custom acoustic equipment for military and aerospace users in a self-contained U.S. manufacturing environment. Roanwell’s quality system is certified to AS9100 and ISO 9001.BRONX, NY
• Ferrotherm LLCSince the late 1940s, Cleveland-based Ferrotherm has manufactured precision components for the global turbine engine industry, with particular expertise in honeycomb brazed parts. Its 78,000-square-foot facility combines extensive in-house machining and repair capabilities, and the company supplies aerospace and military programs while holding ISO 9001 and AS9100 certifications.CLEVELAND, OH