Quality is Paramount

Our commitment to quality includes our team, industry knowledge and industry cerfitications

After years of developing electronic products for others, Toby Klusmeyer, a University of Wisconsin-Madison electrical engineering graduate, decided to venture out on his own. Toby enjoyed creating products from ideation and saw many of his creations go to market. With a big dream and a small budget, he created Pro-Active Engineering, Inc. in May of 1996.

The dream: to help customers design, develop and bring their products to market fast. The name, Pro-Active Engineering (based on the words Proactive, Professional, Active and Engineering) was the foundation for the can-do attitude, technical expertise, and professional service that customers needed in this quick-time-to-market industry.

Pro-Active had humble beginnings in a 400-sq-ft basement office on Main Street in Sun Prairie.

Pro-Active Engineering recognized the opportunity of offering electronic manufacturing as well as engineering services and made a significant investment in manufacturing equipment.

Pro-Active had outgrown its Main Street office and moved to a new 5,000 square foot facility with loading docks at 350 Business Park Drive. This gave Pro-Active flexibility to set up a manufacturing facility with all the disciplines necessary to create an efficient organization. Pro-Active Engineering occupies over 45,000 square feet of the same building today.

Paul Schwanbeck, a small business owner, came to Pro-Active looking for a solution related to reconditioning batteries. The collaboration was effortless, and when Schwanbeck expressed interest in working with Pro-Active, Klusmeyer hired him to help develop Pro-Active’s manufacturing capabilities. Schwanbeck eventually advanced to his current role as Vice-President.

With the implementation of Pro-Active Engineering’s ISO 9001 quality management system, the company continued to improve quality and services to customers. This ensured Pro-Active a place among competitors in the electronic manufacturing services industry.

In 2017, Pro-Active Engineering became ITAR and JCP certified to serve the government and military sectors.

As Pro-Active Engineering continued to grow, the need to expand the engineering department became evident. To meet increasing customer needs, Pro-Active Engineering acquired Apex Embedded Systems, an engineering firm in Monona, Wisconsin. With Apex staff on board, Pro-Active’s design engineering and software development capabilities increased and years of expertise were added to the team.

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Why Pro-Active Engineering Stands Out

We are a full-service Electronics Manufacturing Service (EMS) provider. We are a small business that gets things done. Our roots are in electrical engineering and we provide our customers with the flexibility that large companies lose track of. Our ingenuity and grit have led to the mastery of complex boards designs and assembly requirements.

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(608) 837-7838

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Why Speed Shop?

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We Will Meet Your Time Requirements

Our dedicated team of experts will guide you through the process and let you know upfront if we can deliver in your time frame. Not every job qualifies for quick-turn assembly, so let us review your requirements today and align you with the right solution today.

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We Ask the Right Questions

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What Our Customers Are Saying

“I value the customer service Pro-Active Engineering was able to provide, getting us through our challenges”.

Rich M.

"We were referred to Pro-Active by another company as a world-class organization that provides quality products, excellent service, and competitive pricing."

Stacy J.

"Their willingness to 'get involved' with my project. Taking an interest, and truly understanding not just what I want designed/built, but why, and offering up insights that I may not have considered."

Dave W.


emphasizing our commitment to continuous improvement