Is there a list for that?
There's
This Be sure to check out the tables...interesting!
This industry, which includes multinational and independent oil and gas producers and refiners, natural gas pipeline companies, gasoline service stations and fuel oil dealers, has long enjoyed a history of strong influence in Washington. Individuals and political action committees affiliated with oil and gas companies have donated $238.7 million to candidates and parties since the 1990 election cycle, 75 percent of which has gone to Republicans.
Koch Industries
$1,931,562
Exxon Mobil
$1,337,058
Chief Oil & Gas
$1,192,361
Chevron Corp
$937,964
Marathon Oil
$678,290
Valero Energy
$636,500
Occidental Petroleum
$575,900
Devon Energy
$507,250
Williams Companies
$491,685
Chesapeake Energy
$467,056
ConocoPhillips
$462,204
Independent Petroleum Assn of America
$459,500
Anadarko Petroleum
$443,260
American Gas Assn
$386,400
Halliburton Co
$314,280
Pilot Corp
$290,567
Tesoro Petroleum
$277,883
Society of Indep Gasoline Marketers
$274,000
Bass Brothers Enterprises
$247,465
Petroleum Marketers Assn
$243,900
The source for this information is Open Secrets, a subsidiary of the non-partisan Center for Responsive Politics:
http://en.wikipedia.org/wiki/Center_for_Responsive_Politics