Since 1915, Diamond Manufacturing Company has perforated metal and produced custom-fabricated parts, growing from a Pennsylvania supplier to a national operation with more than 50 presses and over 4,000 perforation patterns. Its engineers handle projects from prototype through finished, assembly-ready products, with precision work supported by an ISO-certified quality system. Diamond is a wholly owned subsidiary of Reliance, Inc.
ISO 9001:2015
ISO 14001:2015
IATF 16949:2016
Ferguson Perforating CompanyFounded in 1927 to supply centrifugal liners to the sugar industry, Ferguson Perforating Company now produces precision perforated metal, plastic, and composite parts for customers worldwide. Its history includes developing perforated metal screens before World War II and operating a 25,000-square-foot New Castle, Pennsylvania plant alongside its Providence operation. Ferguson supports demanding designs with in-house engineering and secondary fabrication, and holds ISO 9001:2015, AS9100D Aerospace, and NADCAP Non-Conventional Machining–Laser certifications.PROVIDENCE, RI
The H&K Perforating CompaniesThe H&K Perforating Companies manufacture perforated metal and non-metallic materials, a specialty traced to the founding of Harrington & King Perforating Company in 1883. The company operates manufacturing facilities in Carbondale, Pennsylvania, and Cleveland, Tennessee, and describes itself as an independently owned perforating company with a nationwide footprint.CARBONDALE, PA
Hendrick ManufacturingHendrick Manufacturing is a family-owned metal manufacturer founded in 1876, with its perforated-metal operations based in Carbondale, Pennsylvania. The company makes perforated metal and custom fabrications, and its Hendrick Screen division manufactures Profile Bar and wedge wire screens from an Owensboro, Kentucky facility. The company describes a 125,000-square-foot Carbondale facility and a history that began as a commercial manufacturer of perforated metal screens.CARBONDALE, PA
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