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Proven Success Through Past Performance

GbOSS serves federal clients on a wide range of projects, delivering cost effective and innovative solutions for quality projects. Our delivery method takes projects from start to finish, ensuring building goals are met and clients’ expectations are exceeded.

IDIQ MACC Contracts

GbOSS manages IDIQ MACC task order projects from coast to coast, utilizing highly skilled project managers simultaneously and with great success. GbOSS develops and implements detailed Project Management, Quality Control, and Safety Plans that contribute to our continued success.

U.S. Army Letterkenny Army Depot, Chambersburg, PA
GbOSS has been performing on this 5-year IDIQ MACC contract and awarded more than 125 Task Orders.

Department of Energy, National Energy Technology Lab, Pittsburgh, PA; Morgantown, WV; and Albany, OR
GbOSS is providing general construction services on a variety of task orders as part of this IDIQ MACC at NETL’s three Research and Development Campuses.

Joint Base Andrews, MD and
Joint Base Anacostia-Bolling
Washington, DC
GbOSS was selected to provide General Construction services at various locations on Joint Base Andrews and Joint Base Anacostia-Bolling.