America’s Natural Gas Alliance - www.supportnaturalgas.com/laredo
Independent Petroleum Association of America – www.ipaa.org
Oklahoma Energy Resources Board – www.oerb.com
Oklahoma Independent Petroleum Association – www.oipa.com
Panhandle Producers & Royalty Owners Associations – www.pproa.org
Society of Petroleum Engineers – www.spe.org
Texas Independent Producers & Royalty Owners Association – www.tipro.org
Warburg Pincus Website - www.warburgpincus.com