SEC industry · SIC 4911
The SEC classifies these issuers under “Electric Services” (SIC 4911). A shared code is a starting point for finding comparable businesses. Product mix, geography and customers can still differ substantially. Read the company descriptions before treating the group as direct competitors.
This group has 1 disclosed fiscal year-end date. Align the reporting periods before comparing annual results. The calendar below shows each company’s year end separately from its filing date.
SEC data snapshot: . The linked reports are the annual filings stored in that snapshot; newer filings may exist. This is a coverage directory, not a complete industry census or a ranking of investments. Multiple share classes of one issuer count as one company.
American Electric Power owns one of the largest electricity transmission networks in the United States and serves customers across eleven states. Much of its growth plan centers on expanding and modernizing the grid.
CenterPoint Energy delivers electricity and natural gas across Texas and the Midwest.
Constellation Energy is the largest US operator of carbon-free nuclear power plants and sells clean electricity.
Dominion Energy is a regulated utility serving customers primarily in Virginia and the Carolinas, a region seeing surging power demand from data centers. It is investing heavily in offshore wind and grid capacity.
DTE Energy provides regulated electricity and natural gas across Michigan.
Edison International delivers electricity to Southern California through its utility subsidiary.
Entergy provides electricity across the Gulf South and operates nuclear generating stations.
Eversource Energy provides electricity, natural gas, and water service across New England.
FirstEnergy delivers electricity through regulated utilities across the Midwest and mid-Atlantic.
NextEra Energy pairs Florida Power & Light, a large regulated utility, with one of the world's biggest generators of wind and solar power. That combination positions it at the center of the shift to renewable electricity.
NRG Energy generates and retails electricity to residential and business customers.
Pinnacle West Capital provides regulated electricity across Arizona through Arizona Public Service.
PPL provides regulated electricity and natural gas across Pennsylvania, Kentucky, and Rhode Island.
Southern Company provides regulated electricity and natural gas across several southeastern states. It recently completed new nuclear units, expanding its low-carbon generation base.
Vistra generates and sells electricity from a fleet of natural-gas, nuclear, and renewable plants.
Compare American Electric Power Company, Inc. and Constellation Energy Corporation: business context, fiscal calendars and official filings.
Compare American Electric Power Company, Inc. and CenterPoint Energy, Inc.: business context, fiscal calendars and official filings.
Compare American Electric Power Company, Inc. and Dominion Energy, Inc.: business context, fiscal calendars and official filings.
Compare American Electric Power Company, Inc. and DTE Energy Company: business context, fiscal calendars and official filings.
Compare American Electric Power Company, Inc. and Edison International: business context, fiscal calendars and official filings.
Compare American Electric Power Company, Inc. and Eversource Energy: business context, fiscal calendars and official filings.
Industry codes and annual filing references come from the SEC submissions snapshot linked to each issuer in our company catalog. Only groups with at least three distinct issuers, business descriptions and annual filing links are included.
SEC Standard Industrial Classification code list explains the classification system. Read our research methodology or browse all industry directories.
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