St. Louis

St. Louis is a growing tech and innovation center, home to multiple universities and best-in-class healthcare systems. Known for affordable cost of living for young professionals and families, St. Louis’ neighborhoods are responding with thriving small businesses; innovation centers; and creative entertainment, retail and corporate development projects. Castle has been an established St. Louis civil contractor since 1995. Year by year, we’ve expanded services to provide more comprehensive benefits to our clients, grown our team to execute complex work, and made a positive impact in the St. Louis community. Today, we can tackle everything from emergency utility repairs to mega-project site developments and can provide civil engineering through our civil design-build service, offering a complete turnkey site package for projects. We work to right-size services for clients and execute work with some of the best field crews around. Our knowledge of and ability to work in the historical urban core of the City of St. Louis makes us your best bet for the most difficult utility and earthwork challenges.