We are a full service engineering firm located in the heart of South Carolina's Grand Strand. At Castles, our team of professional engineers, surveyors, planners, designers, and support staff work closely with each client to ensure that every project has the level of oversight necessary for its success. Castles Engineering is recognized as a regional leader in municipal, transportation and marine engineering, surveying, and GIS services, having provided over two decades of outstanding service to public and private clients. Castle's responsive staff, technical expertise, and "boots in the dirt" approach to each project have created our high level of client satisfaction. As a result, we are proud that a great majority of our projects are repeat or referral business.