Keystone Machine Inc. is a precision machining job shop and contract manufacturer located in Littlestown, Pennsylvania. With a 27,000 square foot facility, the company has been in operation since 1987, serving industries such as power tools, aerospace, nuclear, military ordnance, earth moving equipment, and pump manufacturers. They offer high precision machined components and electrical/mechanical assembly services, including complex assemblies with up to approximately one hundred parts. Keystone is ISO 9001:2015 certified and provides quality reporting, PPAPs, and SPC as needed. Their well-rounded machining capability utilizes state-of-the-art equipment and systems to meet various demands.