E3 Fleet launched in November 2006 with 16 Charter members from private and public sector fleets, who collectively manage over 15,000 vehicles. 

Present E3 Fleet Members include:

Alberta:

• City of Camrose
• City of Calgary, Development and Building Approval
• City of Calgary, Waste and Recycling Services
• Service Alberta

British Columbia:

• Auto-Gas Propane
• BC Hydro
• BC Ferries Services Inc
• Bell Canada
• City of Abbotsford
• City of Campbell River
• City of Castlegar
• City of Colwood
• City of Coquitlam
• City of Courtenay
• City of Enderby
• City of Fernie
• City of Kelowna
• City of Langford
• City of Merritt
• City of Nanaimo
• City of North Vancouver
• City of Penticton
• City of Prince George
• City of Quesnel
• City of Richmond
• City of Salmon Arm
• City of Surrey
• City of Vancouver
• City of Victoria
• City of Williams Lake
• ColdStar Freight Systems
• Corporation of Delta
• District of Chetwynd
• District of Elkford
• District of Invermere
• District of Maple Ridge
• District of Saanich
• District of Summerland
• District of West Vancouver
• Excel Transportation
• Fraser Valley Regional District
• IMW Industries
• Ken Johnson Trucking Ltd.
• Metro Vancouver
• Novex Courier
• Paradise Island Foods Inc.
• Province of BC
• Regional District of Central Kootenay
• Regional District of East Kootenay
• Rempel Brothers Concrete Ltd.
• Resort Municipality of Whistler
• School District 83 (North Okanagan Shuswap)
• Town of Gibsons
• Township of Langley
• University of BC

Ontario:

• City of Brampton
• City of Greater Sudbury
• City of Guelph
• City of Hamilton
• City of Thunder Bay
• City of Timmins
• City of Toronto
• City of Windsor
• County of Frontenac
• County of Haliburton
• County of Simcoe
• Enbridge
• Grey County
• Hydro One
• Niagara Region
• Province of Ontario
• Regional Municipality of Halton
• Stephenson's Rental Services
• Toronto and Region Conservation Authority
• Town of Kingsville
• Town of Richmond Hill