Top 4 Small-Cap Stocks In The Gas Utilities Industry With The Highest Operating Margin

Below are the top small-cap gas utilities stocks on the NYSE and the NASDAQ in terms of operating margin.

The trailing-twelve-month operating margin at Transportadora de Gas Del Sur S.A. (NYSE: TGS) is 25.00%. Transportadora de Gas Del Sur S.A. revenue for the same period is $475.80 million.

The trailing-twelve-month operating margin at Northwest Natural Gas Company (NYSE: NWN) is 23.80%. Northwest Natural Gas' PEG ratio is 5.22.

The trailing-twelve-month operating margin at Delta Natural Gas Company, Inc. (NASDAQ: DGAS) is 14.90%. Delta Natural Gas' ROE for the same period is 21.20%.

The trailing-twelve-month operating margin at South Jersey Industries, Inc. (NYSE: SJI) is 14.40%. South Jersey Industries' EPS for the same period is $1.90.