This analysis excludes individual corporations, such as Exxon Mobil, Chevon and General Electric, who have a hefty financial hand in the energy lobbying arena as well. Those three companies alone have spent between $10 and $20 million so far this year, according to the Center for Responsive Politics.

By constraining the analysis to industry groups and not individual companies, the profiles are more emblematic of the divergent viewpoints lawmakers must grapple with when crafting climate change legislation since they themselves represent different companies. Individual corporations, on the other hand, typically have a more straightforward agenda they're putting forth to Congress.

The following groups ranked 5th through 10th in lobbying spending. Click on each for a profile of the organization and what they want:
5. Association of American Railroads $7.0 million
6. American Petroleum Institute $5.8 million
7. American Chemistry Council $4.9 million
8. Alliance of Automobile Manufacturers $4.4 million
9. American Wind Energy Association $3.8 million
10. National Rural Electric Cooperative Association $3.7 million