The banks, while creditors themselves because they made loans to Enron, may also wind up being liable to other creditors because of their role in selling Enron shares and debt.

FORBES: Enron Probe Widens On Two Fronts

Ecomagination also means selling more windmills, a controversial business where GE pushed itself into second place behind Denmark's Vestas Wind Systems by buying an Enron unit in 2002.

FORBES: On The Cover/Top Stories

While Gemesa, Semiens and Vestas were continuing to spend development dollars on wind technology, in the United States Enron was buying out Zond, and we know where and what Enron did to us.

FORBES: Why Landowners Fight Wind And Solar Transmission Lines