State-of-the-Art Equipment & Facilities
GMI machining facilities - located in Metamora, MI and Topton, PA - are among the world's finest. We have more than 40,000 square feet of manufacturing space, with over 60 pieces of state-of-the-art equipment, including:
• Lathes that handle up to 73" diameters
• Saws that cut up to 96" thick by 132" long
• CNC machining centers with travels up to 50" x 100"
• CNC turning centers up to 28" diameter by 120" long

Metamora, MI Facility Topton, PA Facility
GMI, through its sister company, Advanced Carbon Technologies, can also provide in-house vacuum induction purification. High temperature purification services are available for 3 to 5 day turnaround, with purity levels of less than 5 ppm total ash.

High Temperature Vacuum
Induction Purification Furnace
In-house testing for total ash
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Graphite Machining, Inc.
4141 S. Oak Street
Metamora, MI 48455
Phone: 810-678-2227
Fax: 810-678-2305
Graphite Machining, Inc.
240 Main Street
Topton, PA 19562
Phone: 610-682-0080
Fax: 610-682-0014
E-mail:info@graphitemachininginc.com