This corporate office of the commercial construction company Atlantic Boston is located in the enormous Cummings Park, in the same block as the highly visible Starbucks. Privately held and based locally in Woburn and Beverly, Atlantic is partnered with Cummings Property LLC and works primarily for it. However, Atlantic has served clients as varied as the U.S. Army, Tufts University and Xerox. In addition to commercial construction, it also offers a private security force and maintains a special department focusing on green construction.