Enders Design & Manufacturing Co

Terracon, based in Saint Louis, is a leading consulting firm offering specialized services in environmental, facilities, geotechnical, and materials engineering. Their team of experienced engineers and scientists provide expert consulting services to clients seeking solutions in various engineering disciplines. Generated from their website's infomation

The Clayton Engineering Company was established in 1926, in St. Louis, Missouri and today continues the tradition of providing excellence in all of the services we provide to our clients.

Shannon and Wilson Inc. is a geotechnical and environmental consultant firm located in St. Louis, Mo. Founded in 1954, the firm provides services for the design and construction of transportation facilities, buildings, civil-work structures, military facilities, industrial plants, infrastructure components and energy generators. It specializes in arctic engineering, geographic information systems, hydrogeology, laboratory testing, seismic and tunneling. The firm also works for the projects in transportation, waterfront facilities, rail and property development for both the public and private sector.