Natural Gas Resource

0: CME group: Henry Hub Natural Gas Futures

1: Stockcharts (input ^NG to get Nature Gas chart, or input Natural Gas to get all symbol list about Natural Gas)
(BTW: all symbol list about Crude Oil)

2: Barchart  (Here is 1 Minute Candlestick chart)
Futures

3: Sgxniftydowfutureslive natual gas

4: INO  (Here is 1 min Candlestick chart)
30 Min delay

5: Futures  Quote 

6: FxEmpire Real time natural gas charts

7: Investing Natural Gas (seems can not choose a symbol)

8: CNN Money

9: EIA nature Gas

10: MSN Money

11: advfn

12: Yahoo