McCormick Taylor, Inc. is a civil engineering and consulting firm based in Philadelphia, Pennsylvania. The company was founded in 1946 and has since grown to become one of the largest engineering firms in the United States. McCormick Taylor offers a wide range of services, including transportation planning and design, environmental planning and permitting, and construction management. The firm has worked on a number of high-profile projects, including the reconstruction of the I-95 corridor in Philadelphia and the replacement of the Tappan Zee Bridge in New York. McCormick Taylor is committed to sustainability and has implemented a number of green initiatives in its projects.