Useful Links
- Canadian Energy Pipeline Association (CEPA)www.cepa.com
- Canadian Gas Association (CGA)www.cga.ca
- Énergirwww.energir.com
- National Energy Boardwww.neb.gc.ca
- Portland Natural Gas Transmission System (PNGTS)www.pngts.com
- TransCanadawww.transcanada.com
- Info-Excavationwww.info-ex.com