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GCS SIGAL
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Sustainability

As a founding member of the US Green Building Council, GCS-SIGAL has been at the forefront of the industry’s sustainable building practices. Since the LEED certification program was unveiled, GCS-SIGAL has delivered dozens of certified projects and continues to invest in making the DC region the country’s healthiest, greenest, and most livable metro.

Notable Projects

Exterior of Dianes House

Diane’s House

Washington, DC
Exterior of Garrison Elementary

Garrison Elementary

Washington, DC
Eaton Elementary exterior

John Eaton Elementary School

Washington, DC
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© 2022 GCS, Inc. DBA GCS-SIGAL 1140 3rd St NE, Suite 320, Washington, DC 20002, 202.944.6600

The Oracle of Omaha, Warren Buffett, graduated from Wilson High in 1947