PSI Industries, Inc.

PSI Industries, Inc. is a full-service custom aluminum extruder and aluminum fabricator dedicated to high quality and superior customer service.


Specializing in close tolerance precision aluminum extrusions. We offer a full range of other services including assembly, CNC machining, and a variety of finishing options on our full in-house anodizing and powder coat line.

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.

Neosho Trompler, Inc.

Neosho Trompler Inc is a small woman-owned company of approximately 50 to 55 employees located in Hartland, WI. 


Neosho Trompler Inc is committed to provide defect free machined components, sub-assemblies and assemblies meeting the customer's expectations as well as complying with statutory and regulatory requirements. We take Continuous Improvement seriously and make it our conscious effort to keep several projects going at all times. 


Neosho Trompler Inc's core competencies include: large, tight toleranced parts.


Our Customer Service staff is friendly and ready to assist you.

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Suppliers of CNC Machining, Electrical Manufacturing, and Metal Working specializing in Distribution: Hydraulic systems specializing in Aluminum

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