Henry Hub Natural Gas Futures
Light Sweet Crude Oil (WTI) Futures
Weekly Natural Gas Storage Report
Weekly Petroleum Status Report
Naturalgas.org
Natural Gas Supply Association (NGSA)
International Energy Credit Association (IECA)
Houston Gas Processors Association (HGPA)
National Energy Services Association (NESA)
North American Energy Standards Board (NAESB)
Federal Energy Regulatory Commission (FERC)
Platts, McGraw Hill Financial
Oil Price Information Service (OPIS)