Atmos Energy Market Cap 2010-2025 | ATO

Atmos Energy market cap history and chart from 2010 to 2025. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. Atmos Energy market cap as of June 20, 2025 is $24.21B.
Sector Industry Market Cap Revenue
Utilities Utility - Natural Gas Distribution $24.205B $4.165B
Atmos Energy Corporation, along with its subsidiaries, is engaged in regulated natural gas distribution and storage business. The company serves natural gas distribution customers from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. The company operates miles of transmission and distribution lines as well as miles of interstate pipelines. Atmos Energy's operating strategy has been focused on modernizing its transmission and distribution network as well as reducing regulatory lag.
Stock Name Country Market Cap PE Ratio
Sempra Energy (SRE) United States $48.496B 15.76
Hong Kong & China Gas (HOKCY) Hong Kong, SAR China $15.023B 0.00
Centrica (CPYYY) United Kingdom $11.424B 0.00
ENN Energy Holdings (XNGSY) China $9.319B 0.00
UGI (UGI) United States $7.799B 10.45
Southwest Gas (SWX) United States $5.317B 21.49
NewJersey Resources (NJR) United States $4.439B 11.49
Enagas SA (ENGGY) Spain $4.302B 0.00
ONE Gas (OGS) United States $4.300B 17.33
Spire (SR) United States $4.273B 17.00
MDU Resources (MDU) United States $3.298B 11.70
Chesapeake Utilities (CPK) United States $2.819B 21.93
Northwest Natural Gas (NWN) United States $1.601B 13.65
Clean Energy Fuels (CLNE) United States $0.435B 0.00
Brooge Energy (BROG) United Kingdom $0.229B 0.00