Founded in Lancaster in 1887 by Jacob Walter Miller, J. Walter Miller Company is a metal foundry producing custom brass and bronze castings for industrial customers. Still operating in Lancaster County, the company combines its long foundry history with automated molding, an on-site pattern shop, and experience converting older tooling for modern production. Its ISO 9001:2015-certified quality system supports castings ranging from small short-run parts to high-volume fire-protection components.
ISO 9001:2015
certification
US Bronze Foundry & Machine, IncWith roots in Meadville’s railroad foundries and more than a century of casting experience, U.S. Bronze Foundry & Machine makes large custom bronze and other ferrous and non-ferrous metal castings for heavy industrial equipment. Its domestic, vertically integrated operation combines two foundries with an in-house machine shop, producing parts from one-off prototypes through production runs and castings up to 35,000 pounds. The company is also home to Orrville Bronze & Aluminum, founded in 1888 and guided by the Cairnie family for more than three generations.MEADVILLE, PA
Pennsylvania Precision Cast Parts Inc. (PPCP)Founded in 1983 by Richard Miller, Pennsylvania Precision Cast Parts makes precision investment castings in Lebanon, Pennsylvania, producing parts up to 250 pounds in steel and specialized alloys. Four generations of the Miller family have worked in steel casting in Lebanon County, and the privately held company now employs more than 165 people across two facilities. PPCP pairs that regional foundry heritage with its in-house VisionCast system, which tracks production instructions and quality data in real time, and holds ISO 9001 certification.LEBANON, PA
Buck Company, LLCWith roots reaching back to the early 19th century, Buck Company is a Quarryville, Pennsylvania foundry that has operated continuously for nearly 75 years. Once known as Buck Iron and an early specialist in malleable iron, it now serves manufacturers nationwide with casting support from prototype through production. Its two-foundries-under-one-roof model and ISO 9001:2015 certification reflect a company shaped by both longevity and modern process control.331511QUARRYVILLE, PA
Advance Bronze IncSince 1969, Advance Bronze Inc. has cast and machine-made custom bronze components in Lodi, Ohio, beginning with hydraulic-cylinder wear rings and growing into an in-house foundry and machine shop serving demanding industrial applications. Its specialty is centrifugal casting across most castable bronze alloys, with the capacity to produce anything from semi-finished bars to close-tolerance bearings and wear plates, including urgent replacement parts when equipment breaks down. The company has grown from 12 employees to more than 65 and operates under an AS9100/ISO 9001-compliant quality management system.LODI, OH