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Who we are
For more than three decades, the TW construction team has built exceptional projects and durable industry partnerships in the metropolitan Washington, DC-Baltimore region—the kind that are forged from shared experiences and tempered by the bond of persisting through the hard times and the good times.
What we do
We see things differently: We understand owner objectives and how to solve construction project challenges from concept to occupancy. Through this process, we build Partnerships for Life.
Our projects say it all. The right relationships build remarkable projects, and our business is building exceptional construction partnerships with owners, architects, property managers, and subcontractors. Through our projects, we build Partnerships for Life.
We have completed more than 600 projects, averaging approximately 60 per year, over sx million square feet of space, and more than $300 million in construction value.View All Projects
Therrien Waddell was one of the early adopters educating and practicing sustainable construction in the Washington, DC-Baltimore metro region. Our experience shows that our early involvement in new construction projects contributes to more effective, creative and sustainable results, fulfilling our commitment to cleaner and better communities.Learn More