RTKL Associates, Inc. operates as an architectural, engineering, and planning company. It offers environmental graphic design, interior architecture, healthcare technologies, historic preservation, structural engineering, MEP engineering, landscape architecture, planning and urban design, protective planning, pre-design, mission critical/applied tech, and special systems design services. The company serves clients in civic and public, healthcare, hospitality, mixed-use, planning and urban design, residential, applied technology/engineering, science and technology, workplace, and retail and entertainment markets. RTKL Associates, Inc. was founded in 1946 and is based in Baltimore, Maryland. As of July 6, 2007, RTKL Associates, Inc. is a subsidiary of Arcadis NV.