National Oilwell Canada Ltd.   Locate On Map [ Rotating & Reciprocating Equipment & Service ]   Head Office Address: Suite 1100, 540 - 5th Avenue S.W. Head Office City: Calgary Head Office Province: Alberta Head Office Postal Code: T2P OM2 Year firm began operations: 1987    Oil & Gas Contact Info: Address: P.O.Box 839 City: Cold Lake Postal Code: T9M 7P2 Phone: (780) 594-4180 Fax: (780) 594-2607