custom design, architecture, and engineering of core infrastructure and access infrastructure for telecommunications networks, namely, fiber optic telecommunications networks; conducting feasibility studies in the field of telecommunications networks, namely, fiber optic telecommunications networks; network architecture for supervisory control and data acquisition (SCADA) and other management and control devices connected to telecommunications networks, namely fiber optic telecommunications networks; project and construction management of telecommunications networks, namely, fiber optic telecommunications networks; implementation and management of telecommunications networks, namely, fiber optic telecommunications networks