Chandler Industries, Inc.

Production Engineering Corp.

Alliance Machine, Inc.

Aerospace Manufacturing, Inc. (AMI)

Superior Aerospace

Pioneer Metal Finishing

Since 1945, Pioneer Metal Finishing has provided custom metal finishing solutions to the manufacturing marketplace. Evolving from one facility in Minneapolis, MN, to 8 facilities today, Pioneer employs over 1100 associates dedicated to metal finishing in the US and Mexico.


As a trusted metal finishing partner to major OEM's and a diverse range of industries, Pioneer's facilities, and manufacturing excellence set's Pioneer apart from other finishing companies. With strong process controls, best practices and audit and control system, and our unwavering commitment to quality, Pioneer produces hundreds of millions of parts annually for medical, aerospace, defense, automotive, marine, food service, and industrial applications.


Our products include aluminum anodizing, hardcoat anodizing, conversion coatings, precious metal plating, electroless nickel plating, zinc phosphate, adhesives, dry film and zinc rich coatings.


Pioneer has the expertise and capability to assist in development and produce More... to your specific program requirements.


 Pioneer is ISO-9001-2015 and AS9100 registered, ITAR and FFL licensed and has the systems and technical resources to help successfully assist any organization in the design, development, and launch for new programs.

Metal Craft Machine & Engineering, Inc.

Metal Craft Machine and Engineering has been providing exacting quality, unparalleled service, and innovation in machining since 1987. Built right. Every time. 


Established in Elk River, Minnesota just outside the Twin Cities, our core values of quality, service, innovation, and people have allowed us to become recognized among the leading suppliers in the medical, food and drug, aerospace, and computer industries.


In 1996, Metal Craft expanded its machining capabilities by acquiring Riverside Machining and Engineering of Chippewa Falls, Wisconsin. The acquisition increased our production and service capacities, giving us a greater ability to meet all of your manufacturing needs.

Tolerance Masters

Tolerance Masters is a Contract Manufacturer, ISO9001:2008 & AS9100C certified, offering CNC precision machining services. Our machined parts & subassemblies include valve bodies, housings, servo actuation components, bearing support assemblies, hydraulic pump components, Pump Cover assemblies, Airfoil components, rotors, liners, vanes, block valves and many others. We offer a full complement of manufacturing services that includes vertical milling, 4X live tool turning, multiple disciplines in grinding, honing & lapping. Other support services include EDM, gundrilling, gear shaping, polishing, custom deburring, & engine clean room services. Lean manufacturing concepts & techniques are applied as where it makes economic sense.

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Suppliers with AS9100 Certification located in (Minnesota)

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