APS’s experience, expertise and wide-range of capabilities make us your one-source provider for solving processing challenges.

Design, Engineering and Manufacturing of Custom Heat Exchangers and Process Systems

Who We Are

We pride ourselves in taking the time to listen to your specific needs. You’ll have more than 125 years of engineering experience in food process system designs and heat transfer applications behind you when you partner with us.

What We Do

Our proprietary tubular heat exchangers and complete process systems are manufactured in our 170,000 sq. ft. facility in Marshfield, Wisconsin. With our wide range of equipment available, you’ll benefit from partnering with a single-source provider.

Who We Serve

We provide food and beverage manufacturers complete process engineering design capabilities for aseptic, extended shelf life, pasteurization, hot fill, batching, blending and CIP equipment for both high- and low-acid products, with or without particulates, in a wide range of viscosities.

Unique Solutions for Your Unique Needs


We collaborate closely with you to design the best process system for your specific product and production needs.

Improved Product Quality

Our systems are designed to handle particulates gently, minimize heat damage, and lower shear stress, which often results in increased yields.

In-House Manufacturing

Our manufacturing capabilities allow us to control the timeline, ensuring your project is completed on schedule and on budget.

Controls & Automation

Our engineers work to ensure your system is automated for ease of use and efficiency using the latest technology available.

Heat Transfer Capabilities

Our process systems utilize the ideal heat exchangers for your application including our Ultra-Corrugated™ tubular designs for higher heat transfer efficiencies.

Exceptional Service

Even after your new process system is up and running, we’ll still be around to offer help and improve your operation with a wide-range of support services.

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