TRITEC Building Company
TRITEC Building Company is a Long Island general contractor and construction manager that delivers preconstruction, construction management, design-build, and general contracting for third-party clients in healthcare, hospitality, multifamily, senior living, office, industrial, retail, and education.
40 years of building on Long Island, with subcontractor relationships, estimating depth, and municipal know-how to keep your project on budget and on schedule.

Owners · Developers · Hospitals · Operators · Institutions
TRITEC Building Company works as an independent builder for owners, developers, hospitals, operators, and institutions. You don’t need to be a TRITEC development to work with us. Most owners come to us for one reason: they want a builder that thinks like an owner.
Because TRITEC develops and manages many of its own properties, TRITEC Building Company understands budgets, schedules, and long-term operating costs from the owner’s side of the table. We bring that perspective to your project, whether you need us at the first sketch or ready to break ground.
We can join wherever your project stands: at the very start as your design-build partner, during design for budgeting and review, at a negotiated GMP, or when your drawings are ready to bid.
Our services
01
It matters who does your preconstruction.
Most budgets miss because the scope behind them was never fully defined. TRITEC Building Company’s preconstruction team pairs design backgrounds with field experience to pressure-test the drawings, protect design intent, and ask the hard questions early, so the number you commit to is one you can build.
02
Seasoned builders. Design-trained talent. One team on your side.
TRITEC Building Company pairs veteran construction leaders with professionals trained in architecture, engineering, and construction management. As construction manager, we manage cost, schedule, procurement, and quality from bid through closeout with open-book reporting, as agency CM or CM at-risk with a GMP.
03
Field-tested on Long Island’s toughest sites.
Whether hard-bid or negotiated, TRITEC’s general contracting is led by project managers and superintendents who have seen nearly every site condition, from wastewater challenges to sheeting and shoring to dewatering. They once relocated a 100-year-old building a quarter mile. Dedicated risk management, quality control, and safety teams support every job, backed by 40 years of relationships with Long Island subcontractors and suppliers.
04
One team, one contract, no finger-pointing.
As your design-build partner, TRITEC Building Company holds the design contracts and is accountable from first sketch to final inspection. Our architecture- and engineering-trained construction professionals catch constructability problems early and protect design intent during value engineering. You hit your budget and keep the building you envisioned.
Industries we serve

Hospital campuses, ambulatory care and medical offices

Hotels built to brand standards under GMP

Multifamily
3,000 units across mid-rise and mixed-use buildings

Senior Living
Independent, assisted and memory care across five communities

Office
Headquarters and multi-tenant buildings, ground-up to fit-out

Flex, warehouse, R&D and cleanroom space

Retail
Stand-alone pad sites to inline restaurant and retail fit-outs

Education
Classrooms, labs, studios, athletics and residence halls
From our jobsites
The people behind every project
The people who built our portfolio are the people who will build your project. Nearly all of our Senior PMs and Superintendents have been with TRITEC for 20+ years. That knowledge and experience hasn’t walked out the door. It is on your job today.

Our construction team spends weeks, months and sometimes years on your site, working side by side with your people. We take those relationships as seriously as the build itself.
40
Years building on Long Island
17M+
Square feet constructed
7M+
Square feet for outside owners
2M+
Square feet for repeat clients
TRITEC was the General Contractor for Brightview Sayville, our first Brightview Senior Living community on Long Island. They did a great job of understanding how each detail in the building would support the unique needs of our residents. It was our first project with TRITEC, and the quality was outstanding. As a new entrant to this market, we saw value in working together with a company that has such deep ties in the local community.
Ted Wies, Senior Project Director, Brightview Senior Living
We had a tight budget and only 11 months to complete a 124-room hotel in a challenging entitlement and oversight environment. The Tritec team was instrumental in shepherding us through the complex approval process with the Town and Suffolk County. We are thrilled that we opened on time and under the GMP.
Mark Stebbins, Managing Member, S&S Hotels
OALI’s main clinical office and corporate headquarters, located at 6 Technology Drive, has been a staple for many communities throughout Suffolk County. We value our relationship with TRITEC as they have allowed us to provide the infrastructure needed to care for our patients and their families over the past two decades.
George J. Gmytrasiewicz, Executive Director and CEO
TRITEC Building Company works for outside owners as an independent builder. Clients include hospitals, medical practices, hotel owners, senior living operators and developers who have no other relationship with TRITEC.
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Whether you have a sketch, a set of drawings or a bid package ready to go, our team will tell you plainly what it will take to build it.
631.751.0300 · info@tritecre.com
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