About Us - Why Choose
Modular Devices Mobile Cleanrooms

About Us – Modular Devices is based in Indianapolis, IN and offers short and long-term Mobile Cleanroom solutions for any industry or application that requires controlled environments throughout the USA and North America. Every Cleanroom that we offer meets our high-quality standard commitment, has the most state-of-the-art materials and equipment, and includes unmatched customer service. We have all the required expertise under one roof. This includes architects, engineers, construction disciplines, and cleanroom experts that can guide you through the entire project.

Mobile Cleanroom

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As the high demand for cleanrooms continues to surge, a new way of building cleanrooms has started to flourish and Modular Devices is leading the way. Whether your company is looking to build a new cleanroom, renovate an existing space, or if you are just out of room inside your existing facility, Modular Devices’ Mobile Cleanrooms are a fast, reliable, and fully compliant solution for your project.  We offer mobile cleanroom for a variety of applications including USP797/USP800 Pharmacy Compounding Cleanrooms, Cell & Gene Therapy (CGT) and ISO Class 5, 6, 7 & 8 Cleanrooms.
Our primary focus as a company is to provide solutions for our clients by solving problems. A company that puts your needs first, and that takes care of the many complexities of building a compliant cleanroom so that you can focus on what is most important to you.


Mark Koers


Mark Koers, the newly appointed Chief Executive Officer of Modular Devices, brings over two decades of invaluable experience in the medical device industry to his role. A graduate in architecture from Miami University (Ohio), Mark's journey at Modular Devices began in 2007, where his commitment and strategic acumen played a pivotal role in propelling the company to its current standing as a market-leading mobile imaging and cleanroom solutions provider. Known for his deep understanding of the marketplace, consultative approach, and unwavering dedication to integrity, Mark's leadership promises to usher Modular Devices into a new era of growth and innovation. As CEO, he is poised to continue the company's mission of being the premier provider of pre-engineered, safe, and reliable imaging and cleanroom solutions, ensuring that healthcare facilities can seamlessly serve their communities.

Mike Lehnen


Born in Indianapolis, Indiana, Mike Lehnen began working with the Modular Devices team in 2005 as the Service Manager and is currently the V.P. of Imaging. Mike is responsible for keeping the mobile medical imaging division production, service, and transportation departments running smoothly.


Chris Patterson is the Vice President of the Cleanrooms division at Modular Devices. With a background in facilities, engineering, operations, and project management, Patterson brings extensive experience to his role. He joined the company on February 2023 and is focused on expanding the Cleanrooms division into the Life Sciences market to ensure business growth and development.