RK&K, also known as Rummel, Klepper & Kahl, is a multidisciplinary consulting firm. It works with a team of more than 630 staff members. The company operates in the mid-Atlantic region and the southeastern United States. Rummel, Klepper & Kahl provides transportation, traffic, structural, geotechnical, environmental and water resources engineering services. The company also offers construction management, computer programming, graphics design, and land and site development solutions. It provides energy management and petroleum and pipeline engineering solutions. Founded in 1923, RK&K provides services to a local, state and private sector clients. The company operates over 10 branch offices in over five U.S. states.