| 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. |
| Fortum | | Suppliers and transporters of petroleum products, electricity, and district heat in the Nordic countries and worldwide. |
| GreenShift Corporation | | Business development company working with companies and technologies enabling the efficient use of natural resources, including alternative energy and waste management. |
| Idacorp, Inc. | | Diversified energy and technology group, whose holdings include a traditional power company, as well as businesses involved in emerging energy technologies, independent power production, internet and telecommunications. Corporate overview. |
| Prisma Energy International Inc. | | Corporation formed to manage former Enron infrastructure businesses. Engaged in natural gas transmission, distribution, and processing, electric generation, and retail electricity delivery in South and Central America, the Caribbean, Asia, and other regions. |
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