The primary example used here is Walmart, however, if you, anyone you know are in a situation similar to workers treated poorly by the richest company in the US, or if you just find this plain disgusting, please sign this petition to increase things such as workers compensation, hourly wage, and work conditions.
http://fortune.com/fortune500/2013/general-motors-company-7/
http://mobile.businessweek.com/articles/2013-10-23/more-than-half-of-wal...
http://www.pbs.org/itvs/storewars/stores3.html
http://www.forbes.com/sites/rickungar/2013/11/18/walmart-store-holding-t...
http://finance.yahoo.com/news/ten-companies-paying-americans-least-11252...