Founded in 1988 by an entrepreneurial couple, Sentech is a privately owned Pennsylvania manufacturer built around hands-on engineering and close customer relationships. It develops custom sensing solutions for demanding aerospace, defense, and industrial applications, manufacturing in the United States under ISO 9001:2015 and AS9100 Rev D quality systems.
ISO 9001:2015
AS9100D
ANAB Accredited
Stellar TechnologyWith roots in aerospace, Stellar Technology designs, manufactures and services custom-engineered sensors from its Amherst, New York, operation. The roughly 30-year-old U.S. manufacturer works from nearly 80,000 square feet of environmentally controlled engineering, manufacturing and machining facilities, with custom applications as a particular strength. Its quality system is certified to ISO 9001:2015 and AS9100D.BLACKLICK, OH
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
Probes Unlimited, IncFounded in 1992 in Lansdale, Pennsylvania, Probes Unlimited designs and manufactures custom OEM temperature sensors and control devices. The privately held company was acquired by Ernest DeLany in 1999 and pairs in-house engineering experience with flexible production for both low-volume builds and automated high-volume assemblies. Its service can extend from sensor design through installation, with NIST-traceable calibration available for custom precision sensors.LANSDALE, PA
Inertia Switch IncEstablished in 1950, Inertia Switch Inc. is a privately owned small manufacturer known for supporting critical aerospace and defense programs with carefully engineered motion-sensing devices. Its 20,000-square-foot Orangeburg facility serves customers worldwide, including major aerospace OEMs, and the company holds AS9100 and ISO 9001 certification while remaining equipped to develop custom products for demanding environments.ORANGEBURG, NY