5 Biggest Publicly Owned Utility Companies in the US

4. Southern Company (NYSE: SO)

Revenue (TTM): $21.845 billion

The Georgia-based gas and electric holding business serves over 9 million consumers in seven states with a market capitalization of $67.6 billion. The Illinois Commerce Commission recently approved Southern Company’s (NYSE: SO) Nicor Gas Interconnection Pilot programme. The company’s first-quarter EPS came in at $0.98, exceeding the $0.83 average estimate. Southern Company’s (NYSE: SO) revenue in the second quarter was $5.198 billion, up from $4.620 billion in the previous quarter.