United States politicians are required to disclose how much they receive in campaign contributions to the Federal Election Commission. Researchers analyzed the data regarding contributions from employees at America's 250,000 biggest companies, and found that politicians received more than US$30 million in their donations between 2007 and 2017.
Click through this gallery to see how much the 30 most politically active companies on the Fortune 500 list donated—and to which party.
All amounts in USD.