GS0371: Technical services for wireless, broadcast, and wireline communication companies and government and military communication users, namely, installation, maintenance, and repairs of self-supporting towers, guyed towers, rooftop antennas, monopoles, antenna mounts, cellular, microwave, broadcast and trunked radio systems; construction of communications towers; land development, planning and laying out of sites for communication equipment; construction consultation services in the field of sites for communication equipment; consultation services, namely, providing consultation to others in the construction of telecommunications facilities and infrastructure; technical support services, namely, troubleshooting in the nature of repair of telecommunications facilities, infrastructure and equipment
GS0401: MANUFACTURE OF COMMUNICATION TOWERS TO THE ORDER AND SPECIFICATION OF OTHERS
GS0421: Consultation services, namely, providing consultation to others in the area of design of telecommunications facilities and infrastructure; technological consultation services in the technology field of telecommunications network systems; consultation in the field of telecommunications equipment testing and inspection; technical support services, namely, troubleshooting in the nature of diagnosing problems with telecommunications facilities, infrastructure and equipment; engineering and design for others of communications networks and broadcast towers; engineering of broadcast transmission equipment; design for others of telecommunications equipment, namely, self-supporting towers, guyed towers, rooftop antennas, monopoles, antenna mounts, and cellular, microwave, broadcast and trunked radio systems and networks therefor; computer systems integration services for data, video and voice networks in the field of telecommunications; consulting in the field of wireless and wired network engineering