Since 1985, Armstrong Precision Manufacturing, LLC has provided a wide array of specialty and precision machining services in Pittsburgh, Pennsylvania and the greater tri-state region, achieving particular expertise in refractory mold manufacturing & repair, wire-cut EDM and precision plate grinding applications. Our skilled craftsmen carefully produce each part to customer specifications with continuous focus on quality & delivery performance. Experienced with a wide variety of materials, Armstrong Precision Manufacturing, LLC is eager to meet your specialty machining needs.