Dominion is a provider of multi-technology services and specialized engineering and solutions. It operates through two segments: Multi-technology Services and Specialized Engineering Solutions. The first segment engages in the design, construction, installation, and maintenance of fixed and mobile networks; management and operation of sales processes for telecommunication operators and industrial companies; maintenance activities integrated into production processes on an outsourcing basis for the steel industry; and provision of management and hot repair services. The second segment develops and markets in-house technology platforms and business solutions; third-party solutions; turnkey projects for health, civil defense, and environmental sectors; construction solutions for concrete and steel chimneys, cooling towers, solar power towers, silos, LNG tanks, and cement wind turbines.