Quarterly 2012 top contributors can be tracked on opensecrets.org:
Paul:
http://www.opensecrets.org/pres12/contrib.php?cycle=2012&id=N00005906
US Army $10,627
Google Inc $8,572
Corriente Advisors $7,500
US Air Force $6,515
Entergy Corp $5,950
United Technologies $5,914
US Navy $5,152
Zivity $5,000
Maxir Corp $5,000
Thomson Inc $5,000
Major Oil $5,000
Greenstreet Co $5,000
Lockheed Martin $4,704
Loyola University $4,500
CMI Gold & Silver $4,500
Independent Power Systems $4,499
US Government $4,202
Emory University $4,000
Natural Resources $4,000
IBM Corp $3,653
Obama:
http://www.opensecrets.org/pres12/contrib.php?cycle=2012&id=N00009638
Comcast Corp $79,955
Exelon Corp $46,625
Goldman Sachs $44,750
Ballard, Spahr et al $43,800
Sony Corp $43,240
Mayer Brown LLP $41,700
Time Warner $41,200
Harvard University $40,351
National Amusements Inc $38,950
Salesforce.Com $36,950
Skadden, Arps et al $35,262
Google Inc $34,700
Arnold & Porter $33,250
Microsoft Corp $29,576
Gibson, Dunn & Crutcher $29,400
General Electric $28,950
Sidley Austin LLP $28,025
Blank Rome LLP $27,250
Walt Disney Co $24,125
Capital Group Companies $24,000
Romney:
http://www.opensecrets.org/pres12/contrib.php?cycle=2012&id=N00000286
Goldman Sachs $293,250
Credit Suisse Group $172,000
Morgan Stanley $128,850
Vivint Inc $85,750
PricewaterhouseCoopers $78,000
HIG Capital $62,500
Bank of America $59,200
The Villages $57,500
Sullivan & Cromwell $54,750
Bain Capital $54,500
Marriott International $48,000
Wells Fargo $45,000
JPMorgan Chase & Co $44,000
Bain & Co $41,500
UBS AG $38,250
Affiliated Managers Group $38,000
Ropes & Gray $36,000
Perella Weinberg Partners $36,000
Blackstone Group $35,300
Citigroup Inc $33,000
Cain:
http://www.opensecrets.org/pres12/contrib.php?cycle=2012&id=N00009852
Cinco Natural Gas $5,200
Hilton Hotels $5,000
Ggam LLC $5,000
Infinity Oil & Gas $5,000
Barron Collier Comp $5,000
Fox, Paine & Co $5,000
Jones Petroleum $5,000
Houston Texans $4,900
Wausau Homes $4,800
Asset Risk Management LLC $4,800
Intl Petroleum Assoc of America $3,400
Wells Fargo $3,300
Hybrid Concrete Structures LLC $3,250
James C Kincaid Dds $3,050
Robson Communities $2,750
Leonard Capital Management $2,500
International Franchise Assn $2,500
Scottsdale Plaza Resort $2,500
Sherwin-Williams Co $2,500
Hampshire House Restaurant $2,500
Bachman:
http://www.opensecrets.org/pres12/contrib.php?cycle=2012&id=N00027493
College Loan Corp $12,400
Fagen Inc $10,000
Carbun Concepts $5,400
Milpitas Materials $5,000
Dart Transit $5,000
Pmt Corp $5,000
Two Twenty Financial $5,000
Keeper Technology LLC $5,000
Koch Industries $5,000
Scriptpro LLC $5,000
Slumberland Inc $5,000
Platinum Ethanol $5,000
Smith Laboratories $5,000
Marquette Financial Companies $4,900
Rothschild Capital Management $4,800
TCF Financial $4,800
Famlee Investment Co $4,800
Merit Chevrolet $4,500
Marksman Metals Co $4,000
Target Corp $4,00