Petroleum Technology Alliance of Canada (PTAC) - http://www.ptac.org/
Alberta Environment - http://environment.alberta.ca/
Canadian Water & Wastewater Association - http://www.cwwa.ca/home_e.asp
Alberta Water & Wastewater Operators Association - http://www.awwoa.ab.ca/
B.C. Water & Waste Association - http://www.bcwwa.org/op_ed/index.php
B.C. Oil & Gas Commission - http://www.ogc.gov.bc.ca/
Petroleum Services Association of Canada (PSAC) - http://www.psac.ca/
Water & Wastewater Calculator - http://www.dep.state.pa.us/dep/deputate/waterops/redesign/PAGES/calculator.htm
Oil Directory - http://www.oildirectory.com/
Baker Hughes Rig Counts - http://investor.shareholder.com/bhi/rig_counts/rc_index.cfm
Canadian Association of Petroleum Producers (CAPP) - http://membernet.capp.ca/default.asp?
Small Explorers & Producers Association of Canada (SEPAC) - http://www.sepac.ca/
American Water Works Association - http://www.awwa.org/
