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About Us
With a rich history dating back to 1977, GCS-SIGAL has established itself as a leading general contractor throughout the DC metro area. Our experience and commitment to excellence have earned us a reputation for delivering complex, high-quality construction projects.

Our Expertise
GCS-SIGAL offers a comprehensive range of construction services. Whether transforming office spaces, revitalizing educational facilities, or building multi-family residences, our experienced team is dedicated to delivering your next project.