Gleeson Powers was founded in 1992 after recognizing the need for a quality, professional contractor dedicated to firestopping and passive fire protection. Since then, Gleeson Powers has grown into a leading firestop and specialty contracting company, offering a range of services focusing on sealing and protecting new and existing buildings from the impact of fire & smoke, air, water and sound – including firestopping, air & vapor barrier, waterproofing, and caulking services. We provide professional expertise on new construction and renovation projects for commercial, healthcare, life science, manufacturing, institutional and municipal buildings. From hospitals to labs to office towers and data centers, GPI is trusted for our technical expertise, commitment to safety and quality, and our ability to get the job done right.
Our Goal: To Be the Best Specialty Contractor in Our Marketplace – and Our Industry.
Our goal is to be the best specialty contractor in our marketplace and our industry. We do this by focusing on solving complex specialty construction issues so that our clients can stay on schedule and in budget with one less headache. We are firmly committed to providing the best possible service and quality to our customers. We take a professional approach and insist on the highest standards of workmanship, safety and customer service.
Our Values: Guided by the Same Principles That Have Kept Us Strong for Over 30 Years.
RESPECT: It’s the foundation of everything we do.
INTEGRITY: We do what we say we’re going to do.
CUSTOMER SERVICE: We believe in YOU, We, i.
QUALITY: We do it right the first time – and we don’t cut corners.
CAN-DO ATTITUDE: We get it done.
CONTINUOUS IMPROVEMENT: We can always be better – as a company, as a team and as individuals.
Our Team: Building Great Projects – and a Great Company – with Great People.
At Gleeson Powers, our strength lies in the experience, integrity, and collaboration of our people. From our leadership team to our field crews, we are united by a shared commitment to safety, quality, and service. With decades of industry expertise and a proven track record in firestopping and specialty construction, our team brings technical knowledge, operational discipline, and a hands-on approach to every project. We take pride not only in the work we do, but in the way we do it—by building strong relationships, investing in our people, and delivering results our clients can trust.
Our Industry: Advancing Excellence in Specialty Construction.
We pride ourselves on being leaders in our industry, and are actively involved in our industry’s professional organizations, through committee membership and leadership positions in a variety of associations, including as members of the Board of Directors of the Associated Subcontractors of Massachusetts (ASM) and the Firestop Contractor’s International Association (FCIA).
As a Charter Member of the Firestop Contractors International Association (FCIA), Gleeson Powers has remained at the forefront of the firestopping industry since the organization’s founding in 1999—with two of GPI’s leaders having served as FCIA President. We are also an Air Barrier Association of America (ABAA) Accredited Contractor, specializing in the application of fluid-applied and self-adhered membrane air barrier systems, as well as spray foam insulation.
Our commitment to excellence has been recognized through various industry honors, including FCIA’s Distinguished Service Award, ABAA’s Excellence Award, and multiple project awards, reflecting our leadership, technical expertise, and contributions to advancing the industry.
We were the first Underwriters Laboratory (UL) Qualified Firestop Contractor and among the first Factory Mutual (FM) 4991 Approved Firestop Contractors. We remain one of the only contractors in the United States to hold both accreditations.
We have seven Designated Responsible Individuals (DRIs) on staff, a Certified Healthcare Constructor (CHC), a LEED Green Associate, Fire & Egress Door Assembly Inspection (FDAI) trained and certified fire door inspectors, and a fully trained workforce in our specialty trades.
We are the developers of The Life Safety Tracker System®, and The Life Safety Tracker®, customized fire barrier management software that has helped solidify fire barrier management and documentation as best practice in life safety compliance.
Our Reach: Built in Boston. Trusted Everywhere.
Gleeson Powers has a strong presence across the Northeast and beyond. Headquartered in Eastern Massachusetts, we currently operate in 13 states—including all of New England, as well as New York, New Jersey, Pennsylvania, Delaware, Maryland, and Florida.
In the Boston area, we are the leading contractor specializing in the installation of firestop systems and smoke seal products. Across all our markets, we are known for our expertise in complex, compliance-driven environments such as healthcare, life sciences, higher education, mission-critical facilities, and high-rise construction.
With a strong bonding capacity and proven financial strength, GPI is equipped to take on projects of any size and complexity. Our safety and prequalification programs meet or exceed the highest industry standards, ensuring that we are ready and trusted to work on some of the most demanding job sites in the country. Whether local or out-of-state, our reach is defined by reliability, readiness, and results.
