T. W. Consultants Incorporated is an established consulting engineering firm that ranks among the top five construction inspection and management firms in Pennsylvania. The company is capable of providing services on a variety of civil engineering projects, including highways, airports, bridges, roads, transportation systems and storm drainage. The firm works mostly with government entities, such as the Federal Highway Administration, Federal Aviation Administration, the Pennsylvania Turnpike Commission and various county governments. Some its major projects include the Pittsburgh International Airport and the University of Pittsburgh Convocation Center. T.W. Consultants has more than 100 employees between its headquarters in Pittsburgh and a second office in Harrisburg, Pa.