Accenture

Aztech Associates Inc.

Bell Canada

Bluewater Power Distribution Corporation

Cambridge and North Dumfries Hydro Inc.

Chatham-Kent Hydro Inc.

COLLUS Power Corp. (Collingwood Utility Services)

Direct Energy Marketing Ltd.

Echelon Corporation

Elster Electricity, LLC

Enbridge Inc.

Enersource Corporation

ENWIN Utilities Ltd.

Erie Thames Powerlines Corp.

GRID Management Consulting Inc.

Haldimand County Hydro Inc.

Hunt Power, L.P.

Itron Inc.

London Hydro Inc.

Niagara Falls Hydro Inc.

Niagara-on-the-Lake Hydro Inc.

NRGen Inc.

The Ontario Ministry of Energy

PowerStream Inc.

Rodan Energy & Metering Solutions Inc.

SAP

Silver Spring Networks

SmartSynch

The SPi Group Inc.

Terasen Inc.

Toronto Hydro Electric System Ltd.

Olameter Inc.

Util-Assist

Waterloo North Hydro Corporation