Solar Energy: Need List Of Alternative Energy Companies For Investments? (11/4/2011)

I am looking for alternative energy companies for future investments; hydrogen fuel cells, battery, solar, wind, etc.

Solar Producer: What Is The Potential For Alternative Energy In Malaysia? (biomass/fuel, Solar, Nuclear, Wind, Water)? (6/23/2011)
What companies are the best in supplying Alternative Energy Generators(Solar, Wind…)?
Solar Producer: Is The Notion Of Alternative Energy Being Economically Viable Wishing Thinking? (5/6/2011)
Solar Energy: Does Anyone Have A Good Recommedation For Investing In Solar Energy And Future Energy Companies? (7/8/2011)
Solar Products: What Is The Most Commonly Used Alternative Energy Product? (7/22/2011)