| appea.com.au | Australian Petroleum Production and Exploration Association |
| canadiangaspotential.com | Canadian Gas Potential Committee |
| arab-oil-gas.com | Arab Petroleum Research Center |
| apia.net.au | Australian Pipeline Industry Association (APIA) |
| aip.com.au | Australian Institute of Petroleum |
| afgaz.fr | AFG ( Association Française du Gaz ) |
| cpib.org | Consortium for Petrochemical Industry Benchmarking |
| cspg.org | Canadian Society of Petroleum Geologists |
| choa.ab.ca | Canadian Heavy Oil Association |
| cepa.com | Canadian Energy Pipeline Association |
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