Founded in 1921 in Philadelphia, LTK is one of America's oldest and largest rail transportation consulting firms. Today, nearly 260 engineers, planners, analysts and support staff work out of the firm's Ambler headquarters, near Philadelphia, regional offices in Atlanta, Boston, Chicago, Dallas, Denver, New York, Los Angeles, Minneapolis, Seattle, Portland and Washington, DC. Many LTK professionals come from the staffs of railroads and transit systems, where they served as general managers, executive directors and lead engineers. This hands-on experience and breadth of rail systems knowledge helps ensure the realization of our clients' operational, maintenance and economic goals.
(L) Louis Tobias Klauder - Founder of Louis T. Klauder and Associates in March 1921 and proprietor until May 1945.
(R) Louis Thornton Klauder - Managing Partner from April 1945 to December 1984.