
Projects
Award Winning
GCS-SIGAL delivers award-winning projects that are recognized for their exceptional design, superior craftsmanship, and meaningful contributions to the community. Our dedication to quality, innovation, and collaboration ensures that each project leaves a lasting impact.

New York University · Constance Milstein & Family Global Academic Center
Washington, DC

Diane’s House
Washington, DC

Petworth Library
Washington, DC

American University · McKinley Building
Washington, DC

John & Jill Ker Conway Residences
Washington, DC

Northern Virginia Community College · Higher Education Center
Sterling, VA

The Terrell
Washington, DC

Francis L. Cardozo Education Campus
Washington, DC

The Jefferson Hotel & Plume Restaurant
Washington, DC