ExecuTrain 301 Sovereign Ct, Manchester, MO63011 ExecuTrain offers classes for Microsoft products, computers, self-skills and more. Besides offering classes, groups can…More rent out ExecuTrain's classrooms for their own needs. This location has three classrooms. The classrooms have enough computers to accommodate up to 10, 12 0r 24 students. Check out ExecuTrain's class schedule here.