OneMonroe grew from Otto Siewek’s tooling-component work in the 1920s into a globally recognized industrial manufacturer. Today, it supports manufacturers, distributors, and catalog houses with standard industrial hardware alongside custom-built parts, backed by ISO 9001:2015 and AS9100D certification.
ISO 9001:2015
AS9100D
AS9120
ITAR Registration
Registration
California Proposition 65 Compliance
Compliance program
Conflict Minerals Reporting
Compliance program
Monroe Tool & Manufacturing Co. IncA third-generation family business, Monroe Tool & Manufacturing grew from Herb Sr.’s Cleveland garage into a shop known for taking on difficult, mission-critical work. The company has operated for more than 75 years, from building top-secret bomb racks during World War II to producing precision-machined parts and assemblies for demanding industrial customers.CLEVELAND, OH
Electronic Hardware CorporationFounded in 1962 as an injection molder of knobs, Long Island-based Electronic Hardware Corporation now manufactures control and clamp knobs along with custom components and assemblies for industrial, medical, aerospace and military applications. EHC pairs more than 60 years of product development and manufacturing experience with a broad in-house capability, and supports customers through U.S. and international manufacturing and stocking locations. Its aerospace work includes both MS91528 and transilluminated products, while its quality system is ISO 9001:2015 certified.RONKONKOMA, NY
Germantown Tool & ManufacturingFounded in 1955 as a small Philadelphia tool-and-die shop, Germantown Tool & Manufacturing now produces custom metal components and assemblies from its 40,000-square-foot Huntingdon Valley facility. More than 40 employees support projects from concept and prototyping through tooling and production, with the company’s in-house toolmakers—many developed through its apprenticeship program—providing a distinctive depth of experience. Germantown Tool is ISO 9001 certified and has supplied parts for demanding medical, industrial, transportation, and defense applications.HUNTINGDON VALLEY, PA
Monti IncFamily-run Monti Inc. has been defying the odds since 1971, growing from its Cincinnati roots into a multi-state manufacturing company whose long-serving workforce includes many employees with more than 30 years at the business. Monti is best known for helping electrical and industrial customers turn demanding designs into precision-made parts, including custom copper bus bars, through an ISO 9001:2015-registered operation.CINCINNATI, OH