CB Machining & Engineering, Inc.

Ardel Engineering & Manufacturing Co., Inc.

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.

Columbia Precision Machine Inc.

Alliance Machine, Inc.

Technical Methods Inc.

Ultra Machining Co., Inc.

J&E Manufacturing Co.

J & E MANUFACTURING is a multi-plant operation with over 225,000 square feet of production space to provide our customers with an extensive range of precision metal fabrication services.


Our in-house metal fabrication services include custom metal manufacturing capabilities from precision sheet metal components and machined parts, to elaborate, fully assembled, high-cosmetic liquid paint or powder coated complete units. With a core competency built to support a wide range of industries including medical, aerospace, commercial, agricultural and more, J & E has the capabilities to handle your precision metal fabrication projects with experience and excellence.

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Suppliers specializing in Engineering Services and Engineering Services with AS9100 and ISO 9001 Certification for Aerospace located in (Minnesota)

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