While we all understand that a business only exists to make its owner or stockholders money, there are some who cross the line when it comes to unethical behavior. These companies have a reputation for things like harming the environment, abusing workers, and even cheating customers. Some folks decided they had enough and swore never to spend another cent with these brands. Interestingly, when enough people do this, companies tend to change their tunes pretty quickly. Below are 13 companies many people will no longer do business with because of their unsavory business practices.