About Us

OneMonroe is a ISO 9001:2015 & AS9100D certified global industrial manufacturing company offering a broad product line and has a diverse customer base of manufacturers, distributors and catalog-houses across several vertical markets including aerospace/defense, automotive, medical, transportation and many more. Monroe has a rich history dating back to the 1920s and Otto Siewek’s role in developing “tooling components”, which helped standardized mass production of automobiles.

Our OneMonroe team lives by a simple question, "How can we help?" OneMonroe has grown with so many customers because we were never afraid to help a customer attack an issue to get it solved correctly, quickly, and in an efficient manner. We continually expand our standard product offering based on the needs of our customers and have expanded our contract manufacturing capabilities to offer more custom solutions than ever before. Backed by a rock solid quality system our goal is to help you with your "problem of the day". Please give us a chance to earn your business.

Monroe Engineering Products is now OneMonroe!

The rebranding includes a name change and a visual refresh of the company’s logo and reflects Monroe Engineering Product’s growth in size and presence and marks a key milestone.

Our Company


We have continued to help serve our customers by acquiring companies that complement our current product lines and increase value and industrial expertise.


We’re here to keep you up-to-date with all the latest happenings at our company, our people, our products and our industry.


We are committed to improve and meet or exceed our customers' expectations and strive for continuous improvement...


Monroe provides custom manufacturing solutions & can manufacture built-to-order parts, custom products and offer a wide variety of services.


Latest OneMonroe News

Employee of the Month: Judi Chaffee

Congratulations Judi Chaffee on being Employee of the Month for December 2022! Nomination This month we would like to recognize Judi Chaffee as the employee of the month. Judi is the second longest OneMonroe employee (27 years!!!). In those years … Read More

Employee of the Month: Michelle Pages

Congratulations Michelle Pages on being Employee of the Month for November 2022! Nomination Michelle started in December of 2021 and had some big shoes to fill as she was replacing someone retiring after 15+ years of working with the company. … Read More

Employee of the Month: Xue Vang

Congratulations Xue Vang on being Employee of the Month for October 2022! Nomination Xue is a huge asset to our sales team in Mendota Heights, he’s always a team player and is a positive force that makes each day easier. … Read More

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