Your top 10 Reasons  should quit the

#1 The US Chamber of Commerce argued against a national holiday to honor Martin Luther King, Jr. because it might eat into corporate revenues. Source
#2 The US Chamber of Commerce wants corporations to be able to give unlimited money to politicians anonymously. Source
#3 The US Chamber of Commerce lobbies for tax cuts for millionaires. Source
#4 The US Chamber of Commerce wants to privatize social security. Source
#5 The US Chamber of Commerce successfully convinced the Supreme Court, in the Citizens United case, to rule in favor of unlimited corporate donations to politicians. Source
#6 The US Chamber wants to build a Great American Firewall, which would allow big corporations to blacklist websites without a hearing. Source
#7 The US Chamber of Commerce President Tom Donohue told people unemployed due to outsourcing to "stop whining". Source
#8 In 2009, the US Chamber spent more money than the next five largest lobbying groups combined. Source
#9 The US Chamber called for taxpayers, not BP, to pay for the Deepwater Horizon disaster in the Gulf of Mexico. Source
#10 The US Chamber of Commerce believes that big energy companies should get taxpayer subsidies. Source