KEY Engineering Group, Ltd (KEY) is a full-service engineering and science consulting firm specializing in environmental engineering/science; geology, civil geotechnical, survey and construction engineering/management. Key Railroad Development, Ltd. (KEY Rail), a subsidiary of KEY, is a rail engineering and design firm specializing in industrial development and freight transportation. KEY was established in Wisconsin in February of 1992. With controlled and steady growth, KEY now has offices in Milwaukee and Green Bay, Wisconsin and Washington, D.C KEY is committed to, and has been successful in, providing cost-effective and practical approaches to a broad range of science and engineering projects while meeting our client's individual needs and regulatory goals. KEY enhances our relationships with each client beyond the scope of a project. Our staff strives to understand the goals and directions of each client. KEY's commitment to success has been recognized by being named to Inc. Magazine's list of the Top 500 Fastest Growing Private Companies in America.