120+ autonomous companies. 11 dynamic groups. One team. 

Welcome to the Biggest Small Business You’ll Ever Find

Marmon Holdings, Inc., A Berkshire Hathaway Company

Innovation. Entrepreneurship. Growth.

Marmon Engineers Solutions To The World’s Greatest Needs

Complex problems demand collaboration, expertise and innovative solutions. At Marmon, our 11 groups comprise individual companies with their own specialists, experience and abilities. Those talents combine to deliver the best possible experience to our customers.

What does Marmon do? We bring together expertise and innovation to solve the world’s greatest needs.

  • For Medical Care
  • For Water Treatment
  • For Foodservice
  • For Retail Environments
  • For Transportation
  • For Construction
  • For Heavy Industry
Male mechanical worker working on axle alignment




Men in hard hats talking and evaluating mechanical part
Female scientists working with different test tubes
Heat Pipe Technology Inc. employee at work on coper tubing

Industry Groups

Built By Our Companies. Dedicated To Our Customers.

Marmon Holdings comprises 11 industry groups. These groups share expertise, knowledge and resources with and within each other, with a singular focus: our customers.

Each company and each group is empowered to do the right thing for our customers. Working together, we become something more than the sum of our parts. We become the most reliable solution provider for industries across the world.


The Marmon Method

Marmon is built on trust. We believe our companies can do their best when they have the consulting and financial support they need. We believe our people can do their best when they are empowered to build their careers.

Union Tank Car Company employee welding material

Respect. Trust. A commitment to supported autonomy. It’s how we’ve built global reach with a true local touch.

Marmon Provides:

  • Strength
  • Stability
  • Support
  • Investment
  • Respect and Trust

Our Groups and Companies Provide:

  • Industry Expertise
  • Customer Knowledge
  • Entrepreneurship
  • Innovation
  • Strategic Planning
Jason Bjerke employee headshot

Jason R. Bjerke

Marmon Water
Group Director, Information Technology

The Sun Never Sets On Marmon

Number of Countries Marmon Operates In

Marmon Employees

Marmon Facilities

Number of Countries Where Products & Services Are Sold

Marmon Careers: The People Who Make Marmon

We are a big organization. But each employee has opportunities to forge their career throughout Marmon. We work to foster talent and Marmon careers in more than 120 companies across 11 groups around the world.

Marmon’s highly decentralized organization relies heavily on individuals with the aptitude and attitude to drive our success. We support our people, because we know our people are what make Marmon.

What happens when you pursue a Marmon career with a Marmon company? The world is opened up to you with the opportunity to excel in a Marmon career, from some of the best engineering jobs to automation positions and more.

See the Path That Leads to Marmon Careers


Learn more about Marmon —
a Berkshire Hathaway company

With $12 billion in annual revenue, Marmon Holdings, Inc. may be the biggest company you’ve never heard of. Learn more about how we got here —
and how people grow when they pursue Marmon careers.

Learn more about Marmon

“Marmon is our kind of company.”

Warren Buffett, CEO of Berkshire Hathaway

Warren Buffett

Chairman & CEO, Berkshire Hathaway Inc.