Set the
Standard

Chapman stables - a long, red brick building.

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.

Who We Are

The Guardian Apartments Dusk Shot Under Construction

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.

What We Do

Featured Projects

Set the Standard

About Us

Our Expertise

Featured Projects

Arboretum Community Center

John Eaton Elementary School

Whitman Walker · Max Robinson Center

Residences at St. Elizabeths East

American University · McKinley Building

WMATA Headquarters · New Carrolton

Set the
Standard