OpenSecrets.org and FollowTheMoney.org classify contribution data into about 100 industries. The following industries have contributed the greatest dollar amounts during the current election cycle.
based on contributions made in 2011-2012
| Name |
Given |
|
Unknown
|
$565,607,293 |
|
Lawyers/Law Firms
|
$366,150,365 |
|
Securities & Investment
|
$340,849,019 |
|
Public Sector Unions
|
$266,071,679 |
|
Health Professionals
|
$232,750,789 |
|
Real Estate
|
$230,255,012 |
|
Casinos/Gambling
|
$149,964,214 |
|
Insurance
|
$134,424,508 |
|
Republican/Conservative
|
$120,609,807 |
|
Business Services
|
$109,163,779 |
|
Oil & Gas
|
$103,430,471 |
|
Education
|
$102,104,793 |
|
General Contractors
|
$95,455,469 |
|
Building Trade Unions
|
$90,197,524 |
|
Tv/Movies/Music
|
$87,835,825 |
|
Computers/Internet
|
$87,006,508 |
|
Electric Utilities
|
$79,820,312 |
|
Candidate Self-Finance
|
$79,424,180 |
|
Hospitals/Nursing Homes
|
$79,147,579 |
|
Food Processing & Sales
|
$75,010,369 |
|
Pharmaceuticals/Health Products
|
$73,350,774 |
|
Industrial Unions
|
$67,235,704 |
|
Commercial Banks
|
$66,887,332 |
|
Leadership Pacs
|
$65,278,195 |
|
Tobacco
|
$60,297,170 |
|
Lobbyists
|
$59,932,063 |
|
Chemical & Related Manufacturing
|
$59,357,469 |
|
Democratic/Liberal
|
$59,201,246 |
|
Retail Sales
|
$57,375,140 |
|
Civil Servants/Public Officials
|
$56,941,460 |
|
Beer, Wine & Liquor
|
$56,571,025 |
|
Business Associations
|
$56,550,721 |
|
Automotive
|
$56,103,479 |
|
Health Services/Hmos
|
$52,861,427 |
|
Human Rights
|
$51,820,726 |
|
Printing & Publishing
|
$44,914,648 |
|
Crop Production & Basic Processing
|
$44,254,629 |
|
Home Builders
|
$42,827,918 |
|
Food & Beverage
|
$42,134,244 |
|
Agricultural Services/Products
|
$38,476,639 |
|
Non-Profit Institutions
|
$37,807,388 |
|
Environment
|
$35,506,359 |
|
Accountants
|
$35,503,716 |
|
Construction Services
|
$35,122,518 |
|
Telecom Services & Equipment
|
$34,538,897 |
|
Women's Issues
|
$31,704,044 |
|
Transportation Unions
|
$31,677,786 |
|
Mining
|
$29,109,167 |
|
Building Materials & Equipment
|
$27,880,966 |
|
Lodging/Tourism
|
$27,834,348 |