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Reliable and Professional

Convenient and highly professional commercial plumbing and HVAC service in Northeast Ohio!

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The John F. Gallagher Co. Is Leading Quality Projects

The John F. Gallagher Co. has become an industry leader by employing an exceptional management team, the latest technology and cutting edge processes to provide value added Plumbing and HVAC Solutions, Design Build Services, as well as cost effective Service and Preventative Maintenance. We are focused on identifying and building long‐term relationships with clients who understand that we will always deliver projects on‐time, without problems for a fair price.

Commercial Plumbing & HVAC

Let our team of experts take care of your business or facility! We are trusted by Clevelands top businesses.


Mechanical Construction

The John F. Gallagher Co. provides a wide range of mechanical construction services with an emphasis on mechanically intensive projects ranging from central chiller plants to large multi-building campuses, schools and hotels.

Commercial Construction

When you use The John F. Gallagher Co. for your business or construction needs, you become part of our family. Experience the profound difference today.

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