Who We Are

At American Boiler & Mechanical we are a team of professionals dedicated to getting your facility back up and running. We know that downtime is the enemy. That’s why our promise is to get it done right, and as quickly and safely as possible.
Who We Are
man with welding mask on, smiling

50-Years of Capability You Can Count On!

Founded in 1973 by Harry Hemphill, American Boiler & Mechanical has grown from our humble beginnings in a small office and shop in Fenton, MO to a 25,000 square foot headquarters on a 2-acre expanse in the historic St. Louis neighborhood of “The Hill.”

With our growth has come expansion. First, with branch offices in Kansas City, MO in 1988; second, a Salina, KS location a decade later; and in the years that followed, locations in Wichita, KS, Joplin, MO, Des Moines, IA and Dallas, TX. This expansion has allowed us to grow our geographical footprint and capabilities to extend throughout the Midwest and beyond.

Now on our third generation, American Boiler & Mechanical currently maintains a fleet of 85-plus services vehicles, mobile welders, and all the tools necessary to perform any job from re-tubing a boiler onsite to piping-in new equipment.

While boilers will always be our specialty, as our name implies, our capabilities and expertise have grown over the years to include all mechanical aspects of manufacturing and industrial plant facilities – from basic plant maintenance to complete HVAC, boiler, and process piping replacements and expansions.

We’re proud of our history and look forward to serving our customers with the very best in boiler and mechanical services for the next half century and beyond!

Our Company Culture

Many companies claim to be a “family,” but, as a family-owned operation, at American Boiler & Mechanical, we truly are. We believe in and promote a work environment that provides opportunities to grow and learn new skills, delivers something different every day, allows people to work independently without micro-managing, and truly believes in and supports a healthy work-life balance. At American Boiler & Mechanical, you’ll always have access to the company’s owners and get the support you need when you need it.

If this sounds like the kind of workplace you’ve been looking for and you’ve got what it takes, then we invite you to join our team and become part of the American Boiler & Mechanical family.

Join Our Team
A collage of three photos: a group of people posing indoors, a group seated in stadium bleachers, and two men sitting in an off-road utility vehicle parked outdoors.
ABC STEP Logo excellence in construction awards

Awards

While winning awards is always nice, what’s really nice is what they indicate: satisfied customers. We’re proud of our track record – especially regarding safety and peer recognition – with the following:

Associated Builders and Contractors Safety Training and Evaluation Process (STEP) Award

Awarded Years: 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024

Associated Builders and Contractors Excellence in Constructions Award

2007 – Mechanical Industrial over $750,000
2008 – Space Conditioning $250,000 - $750,000
2010 – Specialty – Solar Thermal Project
2010 – Specialty –Solar Thermal Project Field Supervisor/Leadman
2011 – Process Piping – Long Goods Product Line $250,000 - $750,000
2014 – Under $250,000 – Powerhouse
2014 – Specialty – Boiler Retrofit
2017 - Mechanical Industrial under $750,000 - Install of 9 Cooling Towers

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