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John J. Kirlin, LLC mechanical contractors

Industry Leading

The Kirlin Group is one of the largest and longest standing privately held construction companies in the United States, specializing in mechanical trade contracting, construction management, fire protection and mechanical services.

John J. Kirlin, LLC mechanical contractors

National Reputation

The Kirlin Group has developed a national reputation for excellence in all facets of the construction process.

John J. Kirlin, LLC mechanical contractors


The Kirlin Group has unparalleled experience and resources, and a delivery vehicle to meet every client's needs. Our portfolio of completed projects speaks for itself.

John J. Kirlin, LLC mechanical contractors


The Kirlin Group is on the leading edge of construction technologies, from building information modeling to estimating to our state–of–the–art fabrication facilities.

John J. Kirlin, LLC mechanical contractors


The Kirlin Group's mission statement is simple: "Building our company to be the business partner and employer of choice." We strive to achieve our mission every single day.




Welcome to The Kirlin Group, one of the nation's leading privately held construction companies. Originally founded in 1960, The Kirlin Group began as a single trade contractor specializing in plumbing, heating, ventilation and air conditioning. Today, in addition to its core specialty trade, The Kirlin Group provides its clients with a full spectrum of construction services including design/build, construction management and fire protection services, both inside and outside the United States.

Since its inception, The Kirlin Group has established a reputation for excellence. No challenge is too great and no detail is too small. From careful planning to skilled trade performance, clients know they can count on The Kirlin Group to meet their needs.