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Machining and fabrication

Consistent delivery of precision metal parts – of measurable quality – on time, every time.

Count on Centerline Machine in central Wisconsin to address your unique requirements for metal parts and assemblies – whether simple or complex.
We deliver optimal solutions that blend quality with speed and economy.

We Do More

From design collaboration to inventory management, Centerline Machine's breadth of services is customer-focused, so you get the highest quality parts.

Materials Experts

Our team has extensive expertise in machining a full range of metals, including carbon and stainless steels, copper, aluminum, Iconel, brass, and exotic alloys.


We manufacture all parts and assemblies in compliance with the ITAR's United States Munitions List (USML) – for military equipment parts.

Broad market experience

Serving Companies of All Sizes - Including Fortune 500

Our components are part of mission-critical equipment used worldwide – including military vehicles, naval submarines, medical diagnostics, power generation and more.
We are ITAR-compliant.

Aerospace • Agriculture • Defense
• Energy Processing & Distribution • Food Processing
• Heavy Equipment • Manufacturing • Material Handling

aircraft carrier
Why Choose Us

Genuine Individuals. Utmost Effort. Precise Results.

Centerline Machine offers unique experience in machining parts for industries that demand high precision, but with quick turnaround and value-added services.

50+ Years of Experience

Custom metal machining experts with a variety of capabilities.

Cutting-Edge Technology

State-of-the-art machinery with the capacity to work in small to large envelope sizes.

Quality Assurance

Better quality and performance – ISO 9001-2015 certified and ITAR-compliant.


Design and prototyping assistance for working on complex parts or single set-ups – we have the flexible capacity you need.

Collaborative Design

We improve component performance, durability and reduce costs, weight and complexity and ensure tight tolerances.

Worldwide Footprint

Centerline has vast experience in mission-critical parts for military vehicles, naval submarines and the medical diagnosis industries.

Full Line of Equipment

Machining including: five axis, horizontal and vertical, waterjet cutting, lathes and welding equipment.

Proven Track Record

For more than 50 years we have been dedicated to being a TRUE partner with highly skliled and experienced staff.

Total Production

From in-house fixture design to assembly and sub-assembly to inventory management and delivery programs, we will deliver.

ISO 9001-2015 - Centerline Machine, Waupaca, Wisconsin
vision, mission, values

Become a part of our team!

Are you a CNC operator or machinist? We have career opportunities for these specialties and more at our facility in Waupaca, Wisconsin. Check out our Facebook page to see why we’re a great place to work.

Years of Experience
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What we offer

Experience Backed by Our Expertise, at Your Service.

For more than 50 years, Centerline Machine – a division of Dielectric Manufacturing – has been delivering component manufacturing with a blend of speed, quality and economy. 

Precision Components

Centerline’s unique experience with military, aerospace and medical diagnosis industries give us a precision-based business model. ITAR-compliant.

Prototyping & Design

Our ability to work with customers on complex, designed parts in various materials allows us to work with unique characteristics of any job.

Welding & Fabricating

Along with component machining, we offer expert welding services and parts fabrication using brake presses, rollers and other equipment.