Since pioneering the first Hall Effect electrical measurement devices in 1964, Ohio Semitronics has designed and manufactured custom electrical measurement devices and transducers in the United States. The company turns difficult measurement requirements into working prototypes in as little as three weeks, and has supplied more than 400 measurement devices for over 300 surface and subsurface vessels, along with other defense systems. Ohio Semitronics is an ISO 9001:2015-certified, ITAR-compliant manufacturer with NIST 800-171 certification.
ISO 9001:2015
NIST 800-171
Compliance program
ITAR Compliant
Compliance program
ATEX
IECEx
UL
Mitchell Electronics CorporationSince George Horwitz founded it in 1956, Mitchell Electronics Corporation has remained a family-owned, family-operated manufacturer of custom transformers, building prototypes and production runs to customer specifications. Now in its third generation, the Mount Vernon company works with a 35-person design and production staff and makes its products in the USA. Mitchell has held ISO 9001:2015 certification since 1998 and is known for handling both one-off designs and large-volume orders without minimum quantities.ATHENS, OH
IET Labs, IncFounded in 1976, IET Labs manufactures precision electrical test and measurement equipment, with a particular focus on metrology standards and meters for resistance, capacitance and inductance. The U.S. manufacturer also preserves the GenRad and esi instrument lines acquired in 2000 and 2006, while providing calibration and repair through its ISO-17025-accredited laboratory. IET says 98% of its products are manufactured in the United States.ROSLYN HEIGHTS, NY
SESCOSince David Souders started SESCO in 1983 in a small outbuilding behind his home, the Pennsylvania company has grown into an electrical contract manufacturer serving OEMs across the United States. Its two facilities support custom electrical assemblies for demanding applications, including equipment used to support and protect U.S. military personnel. SESCO is ISO 9001:2015 certified and a founding member of the Wiring Harness Manufacturer’s Association.MONT ALTO, PA
Overhoff Technology CorporationSince its founding in 1972 by physicist Dr. Mario W. Overhoff, Overhoff Technology has built its identity around the specialized work of measuring tritium. The Milford manufacturer serves users in nuclear power and research with purpose-built monitoring instruments, while retaining a strong product-development focus that includes custom designs. Its USA-made equipment is produced under an ISO-9001:2015-certified quality system.MILFORD, OH