TTEK vs ELPC Comparison

Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.

Cia Paranaense De Energia Copel is engaged in the areas of generation, transmission, commercialization and distribution of energy. It operates a comprehensive and effective electrical system with its own generating plants, transmission lines, substations, electrical lines and grids of the distribution system. The company's reportable segments include Power generation and transmission, Power distribution, GAS, Power Sale, Services, and Holding. The majority of its revenue is generated from the Power distribution segment under which it provides public electricity distribution services, being responsible for the operation and maintenance of the distribution infrastructure, as well as providing related services.