42 Engineering services in the field of wireless, wired, and fiber optic communication infrastructures, networks, and systems; planning, design, development, and implementation of communication infrastructures, networks, and systems; planning, design, development and implementation of equipment for communication infrastructures, networks, and systems; quality control for others in the field of communication infrastructures; technical support and troubleshooting in the field of wireless, wired, and fiber optic communication infrastructures, networks, and systems in the nature of the diagnosis of computer hardware and software problems; troubleshooting in the field of wireless, wired, and fiber optic communication infrastructures, networks, and systems in the nature of computer software problems; communication infrastructure, network, and system migration services, namely, planning and engineering services in the field of information and communication networks; communication infrastructure, network and system deployment services, namely, planning and engineering services in the field of information and communication networks; communication infrastructure, network, and system upgrade services, namely, upgrading of computer software; Technological consulting in the field of wireless, wired, and fiber optic communication infrastructures, networks, and systems; Consulting in the field of the installation and maintenance of wireless, wired, and fiber optic communication software; Installation, maintenance, and repair of software, namely, wireless, wired, and fiber optic communication infrastructures, networks, and systems; Computer project management services in the field of wireless, wired, and fiber optic communication infrastructures, networks, and systems