Principals

Donald G. Stewart
Don Stewart has been responsible for many projects in his career some of which were One Commerce Green (Houston), The Mickey Leeland Federal Building (Formerly Concord Tower in Houston), Gulf Greyhound Park (League City, TX), Exxon Research and Engineering Building (Baytown, TX). In 1993, Don and his sons began Stewart Builders, LTD. and its subsidiary Keystone Concrete Placement. Today, Don oversees the entire operation. With over forty years experience in commercial construction, Don Stewart has established himself as a well respected Contractor in the architectural and engineering community.

D. Craig Stewart
Craig Stewart began his career in commercial construction with Spaw-Glass Construction Corporation. In 1993, he joined his father and brothers to develop Stewart Builders, LTD. Craig oversees the day to day activities of the field operations, making sure the individual project superintendents have the resources they need in order to complete their respective projects. With over sixteen years experience, Craig has developed a special talent for maximizing efficiency of field operations. This is a talent that is critical for the success of a construction firm.

Mark A. Stewart
Mark Stewart began his career with Friendswood Development Company. In 1993, he joined his father and brothers to start Stewart Builders, LTD and Keystone Concrete Placement. Today, Mark is in charge of new business development, estimating and project management: making sure that budgets are maintained and that clients' needs are met. Mark's special skills in business development make him a valuable asset to this company.

Rodney J. Horn
Rodney Horn began his career in commercial construction in 1985 with Robert E. McKee Construction Co. In 1998, Rodney joined Keystone Concrete Placement as Senior Estimator and Project Manager to help increase the company's share of the commercial market. With Rodney's experience in estimating, project management, and the field; he helps Keystone Concrete Placement maximize customer relations and increase efficiency.