Human Rights Watch. Particularly good on oil and other energy corporations. Find and read text related to the records of lawsuits filed by or against the corporation. Tracks soft money donations from corporations to Democratic and Republican parties. It will provide you with interviews of employees from specific companies.
Employees tell what it is like to work for the company.
It does contain a comprehensive list of links, however, that can be extremely useful to the person interested in corporate human rights abuses. An excellent pool of information on where corporations put their political dollar and whom they lobby through. This page can give you an idea of teh political connections and motivations of the corporation you are looking at. The page contains useful information on current environmental issues and the emissions status of a number of industries. The issues dealt with range from industrial pollution to agricultural problems.