Aluminum Alloys Inc. is a Pennsylvania foundry that makes assembly-ready aluminum sand castings, including large and complex parts, with machining available under one roof. In business for over 60 years, the company operates from a 150,000-square-foot facility and has produced more than 6,000 unique parts. It is ISO 9001 certified and ITAR registered, with castings used across industries including aerospace and military.
ISO 9001:2015
certification
ITAR Registered
registration
Harmony Castings, LLCSince 1979, Harmony Castings has been known as a Pennsylvania foundry specializing in the V-Process, a vacuum-based method for making precision aluminum castings. The company works with customers from early design through delivery, serving applications where repeatability and complex shapes matter. Its quality system is certified to AS9100:2016 and ISO 9001:2015, and it is ITAR compliant for defense and aerospace work.HARMONY, PA
Boose Aluminum Foundry Co., IncFour generations of family ownership have shaped Boose Aluminum Foundry Co., Inc. into an American-made aluminum sand-casting foundry, producing parts for demanding applications since 1933. Its Stevens, Pennsylvania, team combines long foundry experience with product-development support and in-house quality checks, including digital radiography and dimensional inspection. Boose is ISO 9001:2015 certified and ITAR registered, with particular experience serving defense and other industries where traceable, dependable castings matter.331524STEVENS, PA
Littlestown Foundry, IncChartered in 1916, Littlestown Foundry is a Pennsylvania aluminum sand-casting foundry that now produces more than 95% of its business in commercial aluminum castings. The company has grown from a 16-person gray-iron operation into a 70-employee facility with in-house machining and testing, serving customers across sectors including electrical, firefighting and aerospace. Its quality management system has been ISO 9001 certified since 2003.LITTLESTOWN, PA
Erie Bronze & AluminumFounded in 1907, Erie Bronze & Aluminum is a family-owned Erie, Pennsylvania, foundry making American-made green-sand bronze and aluminum castings for industrial and government applications. The company is particularly known for non-leaded bronze alloys and rough-machined aluminum tubes and rings, including parts used in bearings and labyrinth seals. Its 24-person operation is ITAR-certified and supports both short runs and high-volume production with a DISA Match 20/24 molding system and in-house metal chemistry testing.331524ERIE, PA