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Grunley Construction Co. 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, Grunley specializes in building new facilities as well as renovations, restorations and modernizations of large-scale commercial, institutional and government buildings. Our annual revenues are more than $560 million and our bonding capacity is $1.5 billion aggregate. The Washington Business Journal ranks Grunley among the Largest General Contractors (#11 in 2023) and the Largest Interior Construction Firms (#4 in 2023) in the Washington metropolitan region. In addition, the Engineering News-Record nationally ranks us among the Top 400 Contractors (#244 in 2023) and the Top 100 Green Contractors (#46 in 2023).