AEC East Ltd
AEC Pipelines Ltd 
AEC West Ltd 
Alberta Environment 
Alberta Government Telephones 
Alberta Natural Gas & Processing Ltd 
Alberta Natural Gas Co Ltd 
Alberta Oil Sands Pipeline Ltd 
Alberta Power Limited 
Alberta Public Works 
Alberta Recreation and Parks 
Alliance Pipeline Inc 
Alliance Pipeline Limited Partnership 
Alta Gas Services Inc 
Altamont Gas Transmission Company 
Amoco Canada Petroleum Company Ltd 
Anadarko Exploration Ltd 
Anderson Exploration Ltd 
Arnett and Burgess Oilfield Construction Ltd 
ATCO Pipelines Ltd 
ATCO Utility Services 
ATCOR Resources Ltd 
 
Barrett Exploration Ltd 
Barrington Resources Ltd 
BC Hydro 
Berkley Exploration Ltd 
Bison Pipeline Ltd 
Bow River Pipe Lines Ltd 
Bow Valley Industries Ltd 
Bowtex Energy Ltd 
BP Amoco Ltd 
BP Canada Inc 
 
Canadian Association of Petroleum Producers 
Canadian Hunter Exploration Ltd 
Canadian Hydro Developers Ltd 
Canadian Natural Resources Ltd 
Canadian Occidental Petroleum Ltd 
Canadian Petroleum Association 
Canadian Western Natural Gas Company Ltd
Canadian Worldwide Energy Limited 
Canadian Oxy Offshore International Ltd 
Centra Gas Alberta Inc 
Central Alberta Midstream 
Chevron Canada Resources 
Cimarron Petroleum Ltd 
Cody Energy Canada Limited 
Conoco Canada Limited 
Consolidated Pipe Lines Company 
Conwest Exploration Company Limited 
Corridor Pipeline Ltd 
Crestar Energy 
 
DEKALB Energy Canada Ltd 
Department of National Defense 
Devon Energy Ltd 
Dome Petroleum Limited 
Dominion Exploration Ltd 
Dorset Exploration Ltd 
Dow Chemical Canada Inc 
 
Edge Energy Ltd 
El Paso Velvet Canada Ltd 
Elan Energy Inc 
Enbridge Ltd 
EnCana Corporation 
Enermark Ltd 
Enerplus Energy Services Ltd 
Esso Resources Canada 
Express Pipeline Inc 
 
Federated Pipe Lines Ltd 
Fording Coal Ltd 
Forest Oil Corporation 
 
Gas Research Institute (Chicago) 
Georgia Strait Pipeline LLC 
Gibson Petroleum Ltd 
Government of Northwest Territories
Granisko Resource Inc 
Guard Resources Ltd 
Gulf Canada Ltd 
 
Hewitt Oil (Alberta) Ltd 
Hillcrest Resources Inc 
Home Oil Company Ltd 
Hudson's Bay Oil and Gas Company Ltd 
Husky Oil Operations Ltd 
 
Imperial Oil Ltd 
Imperial Pipe Line Company Limited 
Interprovincial Pipe Line Ltd
Interstate Natural Gas Assoc of America
Inuvialuit Env. Impact Screening Committee
Inverness Petroleum Ltd

Kerr McGee Canada Ltd 
 
Lakeside Feeders Ltd 
Leduc Central Gas 
LL & E Canada Ltd 
Lockwest Resources 
 
Manito Pipelines Ltd 
Mannville Oil and Gas Ltd 
Marathon Oil 
Mobil Oil Canada 
Morgan Hydrocarbons Inc 
Morrison Petroleum Ltd 
Murphy Oil Company Ltd
 
Niko Resources Ltd
Norcen Energy Resources Limited 
North American Life 
North Canadian Oils Ltd 
Northern Area Transportation Study 
Northrock Resources Ltd 
Northstar Energy Corporation 
Northwestern Utilities Limited 
NOVA Gas Canada Ltd 
NuGas Limited 
Numac Oil and Gas Ltd 
 
OSLO 
 
Palliser Pipeline Ltd 
PanCanadian Petroleum Limited 
Panorama Ski Hill Co Ltd 
Paragon Petroleum Corporation 
Paramount Resources Ltd 
Peace Pipe Line Ltd 
Pembina Pipe Lines Ltd 
Petro-Canada Inc 
Petro-Canada International 
Petroleum Industry Training Service (PITS) 
Petrostar Petroleum Canada Ltd 
Philips Petroleum Canada Ltd 
Plains Marketing Ltd 
Poco Petroleum Ltd 
Polaris Ricks Nova Scotia Ltd 
Pouce Coupe Pipe Lines Ltd 
Producers Pipeline Inc 
PROSCARAC 
Public Works Canada 
 
Rainbow Pipeline Company Ltd 
Regent Resources 
Renaissance Energy Ltd 
Rife Resources Ltd 
 
Saskatchewan Oil and Gas Corporation 
Sasol Petroleum International
Sceptre Resources Ltd 
Serenpet Inc 
Shell Canada Ltd 
Simmons Pipelines Ltd 
Sphere Energy Ltd 
Sulpetro Limited 
Suncor Inc 
 
Talisman Energy Ltd 
Texaco Canada Petroleum Ltd 
Tikal Resources Ltd 
Trans Mountain Pipe Line Ltd 
TransAlta Utilities 
TransCanada PipeLines 
Transcontinental Gas Pipeline Co (Houston) 
Transwest Gas Systems Ltd 
Tuscarora Gas Transmission Co (Reno) 
 
Union Pacific Resources Inc 
Unitel Canada Ltd 
Unocal Canada Limited 
US Bureau of Land Management
US Federal Energy Regulatory Commission
Utilicorp Ltd 
 
Ventus Energy Ltd 
Vermilion Resources Ltd 
 
Wascana Pipeline Co Ltd 
Westcoast Energy Ltd 
Westpur Pipeline Company Inc 
Williams Gas Pipeline Ltd