About Us

OneMonroe stands out as a globally recognized industrial manufacturing company, distinguished by its ISO 9001:2015 certification. With a comprehensive product lineup, we serve a wide array of customers ranging from manufacturers and distributors to catalog-houses. Our expertise spans several critical industries, including aerospace/defense, automotive, medical, and transportation, positioning us as a versatile partner in industrial manufacturing.

The origins of OneMonroe trace back to the vibrant era of the 1920s, marked by Otto Siewek's innovative contributions to "tooling components." His pioneering work laid the groundwork for standardized mass production techniques that were instrumental in the evolution of the automotive industry. This rich history underpins our deep-rooted industry knowledge and commitment to innovation.

Central to our corporate culture is the question, "How can we help?" This philosophy has driven our success and longevity, fostering a proactive approach to customer service. We have consistently demonstrated our ability to swiftly and effectively tackle challenges, ensuring that our solutions not only meet but exceed customer expectations. Our dedication to solving problems has endeared us to a growing base of loyal customers.

In response to evolving market demands, OneMonroe has progressively expanded its standard product offerings while also enhancing our contract manufacturing capabilities. Today, we are more equipped than ever to offer customized solutions, thanks to our expanded facilities and the adoption of cutting-edge technologies. Our robust quality assurance system supports all aspects of our operations, ensuring that each product delivered meets the highest standards of quality and reliability.

At OneMonroe, we are committed to helping you tackle your daily challenges—no matter how complex. We encourage you to experience the superior service and quality that define our brand. Give us the opportunity to earn your trust and 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: Sarah Mockford

Congratulations to Sarah Mockford on being Employee of the Month for April 2024!! Nomination Today, we are thrilled to shine the spotlight on an indispensable member of our OneMonroe team, Sarah Mockford. Sarah’s journey with us began as a design … Read More

Employee of the Month: Zach Budysz

Congratulations to Zach Budysz on Being Employee of the Month for March 2024! Nomination We’re excited to celebrate Zack Budysz as our Employee of the Month for March. Zack transcends the usual expectations – his knack for meticulous organization and … Read More

Employee of the Month: Mark Martinez

Congratulations to Mark Martinez on Being Employee of the Month for January 2024! Nomination Mark consistently goes above and beyond the call of duty. He ensures everything runs smoothly, from meticulously checking orders to guaranteeing they’re shipped out on time. … Read More

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