Alberta Energy Company Ltd.
 

Alberta Natural Gas Company
 

Alliance Pipeline
 

Altagas Services Inc.
 

Amber Energy Inc.
 

Amoco Canada Petroleum Company Ltd.
 

Anderson Exploration Ltd.
 

Arkoma Energy Inc.
 

Atco Structures Inc.
 

Avtech Engineering Ltd.
 

BTB Compressors, Division Of Enerflex
 

Banyan Engineering Ltd.
 

Beau Canada Exploration Ltd.
 

Berkley Petroleum Corp.
 

Blue Range Resource Corp.
 

Bower Damberger Rolseth Engineering Ltd.
 

Canadian 88 Energy Corp.
 

Canadian Boiler Industries Ltd.
 

Canadian Fertilizer Ltd.
 

Canadian Hunter Exploration Ltd.
 

Canadian Natural Resources Ltd.
 

Canadian Western Natural Gas
 

Chauvco Resources Ltd.
 

Chevron Canada Resources
 

Cimarron Engineering Ltd.
 

City Of Airdrie
 

City Of Calgary
 

Clearwater Engineering
 

Colt Engineering Corp.
 

Courage Energy Inc.
 

Crestar Energy Inc.
 

Cth Systems Inc.
 

Daniel Industries Canada
 

Delta Combustion Corp.
 

Delta Hudson Engineering Ltd.
 

Dow Chemical Canada Inc.
 

Dph Engineering Inc.
 

Elk Point Resources Inc.

Encal Energy Ltd

Encana

Enerflex Systems Ltd.

Enron Oil Canada Ltd.
 

Excell Alliance
 

Express Pipeline Ltd.
 

Federated Pipe Lines Ltd.
 

Fluor Daniel Canada, Inc.
 

Foxboro Canada Inc.
 

Gemini Engineering Ltd.
 

Gibson Petroleum Co Ltd.
 

Gulf Canada Resources Ltd.
 

Honeywell Ltd.
 

Husky Oil Operations Ltd.
 

Integral Engineering Ltd.
 

Intel Consulting Engineers Inc.
 

Irving Oil
 

Johns Manville Canada Inc.
 

Jordan Petroleum Ltd.
 

Kinetic Engineering Ltd.
 

Koch Gas Services Canada
 

Kvaerner Process Systems Inc.
 

Magin Energy Inc.
 

Maloney Industries Inc.
 

Marathon International Petroleum Canada Ltd.
 

Mobil Oil Canada
 

Moore Products Co. (Canada) Inc.
 

Murphy Oil Company Ltd.
 

Nagatomi Engineering Ltd.
 

Northrock Resources Ltd.
 

Novagas Canada Ltd.
 

Ocean Energy Resources Canada Ltd.
 

Octal Systems Inc.
 

Pamco, A Division Of Enerflex
 

Pancanadian Petroleum Ltd.
 

Paramount Resources Ltd.
 

Pembina Pipeline Corp.
 

Penn West Petroleum Ltd.

Pepsi Bottling Group, The
 

Petro-Canada
 

Petromet Resources Ltd.
 

Philllips Petroleum Resources Ltd.
 

Pinnacle Resources Ltd.
 

Polaris Engineering Ltd.
 

Primewest Energy Inc.
 

Quest, An Alliance Corp.
 

R J G Combustion
 

Ranger Oil Ltd.
 

Renaissance Energy Ltd.
 

Rigel Energy Corp.
 

Rio Alto Exploration Ltd.
 

Rockwell Automation
 

Rotating Prime Movers Inc.
 

Saxon Petroleum Inc.
 

Seagull Energy Canada Ltd.
 

Shell Canada Ltd.
 

Solex Energy Inc.
 

Southern Alberta Institute Of Technology
 

Startec Refrigeration Services
 

Summit Resources Ltd.
 

Suncor Inc.
 

Syncrude Canada Ltd.
 

Talisman Energy Inc.
 

Tarco Engineering Inc.
 

Tartan Engineering Corp. Ltd.
 

TG Engineering Ltd.
 

Transcanada Pipelines Ltd.
 

Tri-Ocean Engineering Ltd.
 

Ulster Petroleums Ltd.
 

United Pacific Resources Ltd.
 

Upside Engineering Ltd.
 

Veco Engineering Ltd.
 

Wascana Energy Inc.
 

Waterous Detroit Diesel-Allison
 

Westcoast Energy Inc.
 

Westcoast Gas Services Inc.
 

Wolcott Gas Processing Ltd.

AEC Ecuador
 

Arco Alaska Inc. - USA
 

Boustead International Heater Ltd. (BIH) - UK
 

BP Exploration (Alaska) Inc. - USA
 

Brass Exploration - Nigeria
 

Canadian Occidental Petroleum Ltd. South - Yemen
 

China Petroleum Engineering And Construction Services Ltd. - China
 

City Investing Co. Ltd. - Ecuador
 

Enron Oil & Gas - India
 

Expro North Sea Ltd. - UK

Halliburton Energy Services - USA
 

Hydromation (Filtra Systems) - USA
 

Johns Manville Corp. - USA
 

JSC Komiartic Oil - Russia
 

JSC Stimul - Russia
 

Karamay Petroleum Administration - China
 

McDermott Engineering - Qatar
 

National Iranian Gas Co. (NIGC) - Iran
 

National Iranian Oil Co. (NIOC) - Iran
 

Nigeria Petroleum Development Co Ltd. - Nigeria
 

Pemex Exploracion Y Produccion - Mexico

Petrobras - Brazil
 

Primrose Consultants - UK
 

Repsol Oil Company - Libya
 

Saratovneftegas - Russia
 

Sichuan Petroleum Administration (SPA) - China
 

Syrian Petroleum Company (SPC) - Syria
 

Tatneft-Tartastan - Russia
 

Waha Oil Company - Libya
 

Zuetina Oil Company - Libya