Since William D. Hall Sr. founded The Hall Company in his Urbana basement in 1961, the Hall family has built a manufacturing business around solving difficult interface problems. The third-generation company supplied parts for the Gemini and Apollo missions, including one that reached the Moon, and today supports equipment makers around the world with custom human-machine interfaces and safety sensors.
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Two Technologies, IncSince 1987, Two Technologies has been known for building rugged human-machine-interface equipment around the specific needs of OEM manufacturers, system integrators, and service providers. The Horsham, Pennsylvania company has more than 5,000 customers and over a million products in the field, with in-house circuit-board manufacturing that supports purpose-built designs and shorter delivery cycles.HORSHAM, PA
Spectron SensorsSince its founding in 1947 as Spectron Glass Laboratories, Spectron Sensors has built its identity around American-made sensor engineering in Long Island, New York. The company first produced neon signs before shifting to electrolytic tilt-sensor work for Sperry Gyroscope in 1948, then developing proprietary technology for demanding aerospace, military, and industrial applications. Its staff works directly with customers’ engineers on custom sensing solutions, including equipment designed for extreme environments.HAUPPAUGE, NY
Sur-SealFounded in Cincinnati in 1965 as a family-owned business, Sur-Seal manufactures engineered components that solve sealing, insulation, thermal-management and protection challenges. Its custom-converting work ranges from precision gaskets to molded and extruded parts, supported by engineering services and a manufacturing network that now spans the United States, Mexico and China. Sur-Seal’s history includes making gaskets for the Apollo missions, while its combined operations now encompass more than 400,000 square feet and over 500 employees.CINCINNATI, OH
HALL Industries, IncFounded in Pittsburgh in 1966 by engineer and WWII veteran Harold G. Hall, HALL Industries grew from a contract screw-machine shop into a family-run manufacturer. It produces machined components, fabrications, and assemblies, and is particularly known for aviation ground-support products such as aircraft towbars. The company also operates specialized divisions serving bridge products, transit, and bulk-material-handling equipment markets.ELLWOOD CITY, PA