Mayville Engineering Company, Inc. (MEC) Named to Wisconsin 75

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Mayville Engineering Company, Inc.


MEC Ranks Number 48 on the List of Largest Closely Held Companies in Wisconsin.

Mayville, Wis. – Mayville Engineering Company, Inc. (MEC) was recognized on October 10, 2018 at the annual Wisconsin 75 event as being one of the largest closely held companies in the state. MEC has extensive manufacturing operations in Wisconsin with several facilities located in Mayville, Beaver Dam, Neillsville and Wautoma. The company operates a total of 16 facilities in five states with over 2,080,000 sq. ft. of manufacturing. The firm is 100% employee owned with over 2,000 employee shareholders.

The Wisconsin 75 program is an annual listing of the largest closely held companies headquartered in Wisconsin. The distinguished program recognizes business contributions to the communities in which the firms operate, the individuals who shape the business and the overall Wisconsin economy.

“It’s a true honor to be acknowledged as one of the largest closely held companies in Wisconsin for 14 consecutive years,” said Robert Kamphuis, chairman, president and CEO of MEC. “I’m very proud of the hard work and dedication of our employee shareholders who have made this achievement possible and I’d like to thank Deloitte, the Milwaukee Journal Sentinel, and the Wisconsin 75 program for this recognition of MEC’s continued success and growth,” he continued.

Representatives of MEC attended the event in Milwaukee where Northwestern Mutual’s Chairman, President and Chief Executive Officer, John Schlifske, made the keynote address to the prominent group of Wisconsin business leaders.

Founded in 1945, MEC is one of the nation’s leading supply chain partners for blue chip original equipment manufacturers. MEC has been recognized by The FABRICATOR magazine as the largest fabricator in the United States for the last eight consecutive years. For more information, news and perspectives from MEC, please visit


About Mayville Engineering Company

Headquartered in Mayville, Wis., MEC has become a manufacturing company where employee shareholders are creating outstanding value and support every day for their customers and communities in which they live and work. MEC serves the agricultural, commercial vehicle, construction, forestry, on/off road power sports vehicles, energy, military, and industrial markets. MEC’s processes include complete metal fabrication, laser and plasma cutting, stamping, forming, machining, welding, tube bending and forming, painting, polishing, brazing, cleaning, assembly and kitting, prototyping, product testing and validation. MEC manufactures a wide variety of products including fluid level indicators, stoppers, engine tubes, suction tubes, hydraulic tubes, discharge tubes, fill tubes, high temp coatings, metal encapsulated insulation, fuel tanks, air brake tanks, air intake and exhaust systems, A-arms, axle housings, steering shafts, rollover protection units and complex frames. The firm’s core competencies include collaborative product development, design for manufacturability, engineering and design review, project management and customer service. MEC operates 16 facilities with over 2,080,000 square feet of manufacturing in Michigan, Mississippi, South Carolina, Virginia and Wisconsin. More information can be found  at