EC vs EIX Comparison

Ecopetrol SA is engaged in commercial and industrial activities related to the exploration, exploitation, refining, transportation, storage, distribution, and marketing of hydrocarbons, their derivatives, and products, as well as the electric power transmission services, design, development, construction, operation, and maintenance of road and energy infrastructure projects and the provision of information technology and telecommunications services. The operations of the company are performed through four business segments: Exploration and Production, Transport and Logistics, Refining and Petrochemical, and Electric Power Transmission and Toll Roads Concessions. The majority of the company's revenue is generated from the Refining and Petrochemical segment.

Edison International is the parent company of Southern California Edison, an electric utility that distributes electricity to 5 million customers in a 50,000-square-mile area of Southern California, excluding Los Angeles. Edison Energy owns interests in nonutility businesses that deal in energy-related products and services. In 2014, Edison International sold its wholesale power generation subsidiary Edison Mission Energy out of bankruptcy to NRG Energy.