Emera
   Energy and services company in northeast North America. Operates electricity generation, transmission and distribution systems and natural gas pipelines; also supplies fuel oil in Nova Scotia.
   http://www.emera.com/

Fortum
   Suppliers and transporters of petroleum products, electricity, and district heat in the Nordic countries and worldwide.
   http://www.fortum.com

Prisma Energy International Inc.
   Corporation formed to manage former Enron international energy infrastructure businesses. Engaged in natural gas transmission, distribution, and processing, electric generation, and retail electricity delivery in South and Central America, the Caribbean,
   http://www.prismaenergy.com/