Where do the candidates get the $$ for ads? Results might surprise you: 

Barack Obama (D)

Top Companies:
Microsoft Corp, a global software company
DLA Piper, an international law firm
Google Inc, the Internet search engine and email giant

Mitt Romney (R)

Top Companies:
Goldman Sachs, a multinational investment bank
JPMorgan Chase & Co, a multinational investment bank
Morgan Stanley, a global financial services company

Ron Paul (R)

Top Companies:
US Army, a branch of the US Military
US Navy, a branch of the US Military
US Air Force, a branch of the US Military

Newt Gingrich (R)

Top Companies:
Rock-Tenn Co, a global paper and packaging manufacturer
Las Vegas Sands, a global integrated resort company
Poet LLC, a US biofuel company

Rick Santorum (R)

Top Companies:
Universal Health Services, a US hospital management company
Blue Cross/Blue Shield, a US health insurance association
Achristavest, a North American property development company

Gary Johnson (L)

Top Companies:
Tower Energy Group, a US petroleum wholesaler
Corriente Advisors, a US private investment firm
Welcom Products, a US folding handcart manufacturer

What do you think?