Advertising services, namely, promoting the goods and services of others by dissemination of advertisements on the global computer information network and other computer networks; distributorships in the field of rail and railway construction materials; and distributorships in the field of electromechanical controls for use in the railroad industry - namely, railway switching equipment and railway signaling equipment

Construction and maintenance of railway beds and tracks; construction and maintenance of elevated rail systems and structures; construction and maintenance of railway switching and signaling equipment

Custom manufacture of rail and railway construction materials

Design for others in the field of railroad industry - namely, engineering design of rail and railway related structures and equipment