Pickering is a leading centre for energy in Ontario, with over 20 per cent of our labour force employed in this sector.  Our diverse business community includes a vibrant EN3 cluster of Energy, environmental and Engineering sector businesses - the strongest of its kind in Ontario.

Pickering's EN3 Sector businesses include:

Aecon Group Inc.

Argus Industries

Black & McDonald

Chemetics Inc.

Crossby Dewar

Durham Instruments

Eco-Tec Inc.

EMC Power Canada

GFL (Green for Life)

Howard Marten

Hydro One Inc.

Indaco Manufacturing Limited 

Intellimeter Canada Inc.

Kinectrics

Lawrcon Electric & Machining Corporation

Miller Waste

Miratec Inc.

Ontario Power Generation 

RCM Technologies Canada Corp.

R.J. Burnside Engineering

Rolls Royce (Nuclear)

Siemens / Trench Canada

Solera Sustainable Energies Company

Tetra Tech Inc.

UCC Unistrut

Veolia Environmental Services

Veridian Connections