Electric Services
SIC 4911 · 71 companies
This page lists all SEC-registered public companies classified under SIC code 4911 (Electric Services). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.
The Electric Services industry includes 71 SEC-registered public companies.
The largest by revenue is NRG ENERGY, INC.,
which reported $30.3B in FY2025.
Companies in this industry with available XBRL data collectively reported $224.6B in revenue across their most recent fiscal years.