Cleantech 10:

The list was created by Rafael Coven, managing director and index manager of The Cleantech Index (CTIUS; cleantechindex.com). It underlies several Index-based funds such as the PowerShares Cleantech ETF, and covers a broad array of industries. Coven sought out technology-driven growth companies that have big impacts on resource efficiency and the environment. Screening criteria applied to TSX companies is the same used for The Cleantech Index, but applied with some leniency to create a rounded Top 10 list.

Cleantech Next 10:

The Next 10 are selected by an advisory panel consisting of seven of Canada's foremost authorities on cleantech:

- Vicky Sharpe, CEO of Sustainable Development Technologies Canada

- Greg Kiessling, founder of Up Capital and co-founder of Bullfrog Power

- Thomas Rankin, investment director with Innovacorp

- Michael Brown, chairman of Chrysalis Energy Venture Capital

- Salil Munjal, partner with Yaletown Venture Partners

- Denis Leclerc, president and CEO of Écotech Québec

- Tyler Hamilton, editor-in-chief of Corporate Knights