Learn More


Learn More


Learn More

Grunley Construction Company, Inc. is an award-winning construction firm with expertise in high-profile, complex projects for both public and private sector customers. Headquartered in the Washington metropolitan area, our firm specializes in building new facilities as well as renovations, restorations and modernizations of large-scale commercial, institutional and government buildings.

We Build What Matters

In a world where every structure tells a story, Grunley is introducing new characters that transform urban neighborhoods, support mission-critical objectives and revitalize historic structures throughout our nation’s capital. From campuses that inspire the leaders of tomorrow to iconic monuments that stand the test of time, we build what matters.
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Our Team

Grunley has a staff of more than 340 construction industry professionals, including architects, engineers, LEED® Accredited Professionals, historic buildings specialists, as well as construction professionals experienced in preconstruction services (e.g., estimating and value analyses, design management, constructability reviews, purchasing, scheduling), project management, construction supervision, MEP coordination, quality control, and field construction services (e.g., foremen, carpenters, laborers, and bricklayers). Our home office support team includes accounting; project administration; information technology and building information modeling (BIM); and corporate leadership in safety, field operations, training, scheduling, quality control, and LEED® compliance.

By the Numbers

0Year founded

$0M Annual revenues in 2023

0+ Employees in 2023

0Local, regional and national awards

0ENR “Top 400 Contractors” ranking (2024)

0 ENR “Top 100 Green Contractors” ranking (2023)

$0B Historic renovation last 10 years

0 WBJ “Largest General Contractor in the Metro Area” ranking (2024)

0WBJ “Largest Interior Construction Firm in the Metro Area” ranking (2024)