Tsi Engineering

PENTA Engineering is a full-service engineering firm specializes in cement, lime, mineral processing and bulk grain food processing. The company has process, mechanical, structural, electrical and construction engineers to provide solutions for technical requirements. It was incorporated in 1986 and serves domestic and international clientele by providing various services, such as design, construction and operation of industrial plants. The company has various clients, including Birlik Cemento, Caribbean Cement, Cementos Panama, Soeicom, Southern Peru Copper, Venezolana de Cementos and Essroc Italcementi Group. It offers various services, such as project management, process and environmental, mechanical, civil and electrical engineering and construction services. PENTA Engineering is located in St. Louis.

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.

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