Highest Yielding Natural Gas Utilities

Last week, I posted a list of the Highest Yielding Electric Utilities. If you are looking for high yield stocks, gas utilities are another way of rounding out your income portfolio. Yields are based on the annual dividend payments divided by the price per share. The following are listed in order of highest yield first.
The second one on this list, Laclede Group (LG) is one of the oldest publicly traded companies, founded in 1857. In addition, it is one of the original twelve stocks in the Dow Jones Industrial Average.

Delta Natural Gas (DGAS) 4.9%
Laclede Group (LG) 4.7%
Keyspan Corp. (KSE) 4.6%
RGC Resources (RGCO) 4.3%
WGL Holdings (WGL) 4.2%
Atmos Energy (ATO) 4%
Atlanta Gas Light (ATG) 3.9%
Chesapeake Utilities (CPK) 3.8%
NICOR Inc.(GAS) 3.8%
Energy West (EWST) 3.8%
Cascade Natural Gas (CGC) 3.7%
Piedmont Natural Gas (PNY) 3.7%
TransCanada Corp. (TRP) 3.3%
Kinder Morgan (KMI) 3.3%
N J Resources (NJR)3.1%