Southwest Gas Market Cap 2012-2026 | SWX

Southwest Gas market cap history and chart from 2012 to 2026. 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. Southwest Gas market cap as of September 18, 2026 is $6.22B.
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Sector Industry Market Cap Revenue
Utilities Utility - Natural Gas Distribution $6.219B $1.940B
Southwest Gas Holdings, Inc. is an energy holding company based in Las Vegas, NV. The company makes deliveries of natural gas under a priority system established by state regulatory commissions, which aims that higher-priority customers, primarily residential customers and other customers who use 500 therms or less of gas per day are given greater importance. The company systematically acquires and arranges delivery of natural gas to its system in sufficient quantities to meet customers' needs. Southwest acquires natural gas from a wide variety of sources with a mix of purchase provisions, which includes spot market and firm supplies.
Stock Name Country Market Cap PE Ratio
Atmos Energy (ATO) United States $27.089B 19.06
Hong Kong & China Gas (HOKCY) Hong Kong, SAR China $16.408B 0.00
Centrica (CPYYY) United Kingdom $9.389B 0.00
UGI (UGI) United States $8.078B 12.90
ENN Energy Holdings (XNGSY) China $7.165B 0.00
NewJersey Resources (NJR) United States $5.410B 14.65
Enagas SA (ENGGY) Spain $5.015B 0.00
ONE Gas (OGS) United States $4.726B 15.50
Spire (SR) United States $4.684B 16.51
MDU Resources (MDU) United States $3.799B 19.74
Chesapeake Utilities (CPK) United States $3.167B 20.92
Northwest Natural Gas (NWN) United States $2.035B 16.11
Clean Energy Fuels (CLNE) United States $0.372B 0.00