By Dan Weil Just Capital created a ranking of big companies based on the issues that matter most to Americans. When you’re looking to work for a big company, telling them apart sometimes is difficult. This list might help. Just Capital, an advocacy group for economic and corporate fairness, has put together a ranking of big companies based on “the issues that matter most in defining just business behavior today,” it said. The issues are determined by its polling of the American public. The focus of the poll was issues related to workers, communities, customers, shareholders and governance, and…