• Petroleum Refining

  $25100
  64 36

• • Clarence Cazalot

    $2300
    100 0

  Marathon Oil (Houston, TX)
  (Petroleum Refining)

  Candidate	Amount	Date
  John McCain	$2300	June 30th, 2008

• • Claiborne Deming

    $4400
    52 48

  Murphy Oil (El Dorado, AR)
  (Petroleum Refining)

  Candidate	Amount	Date
  Mike Huckabee	$2300	May 9th, 2007
  Barack Obama	$1000	September 12th, 2008
  Barack Obama	$250	September 5th, 2008
  Barack Obama	$250	September 4th, 2008
  Barack Obama	$50	August 27th, 2008
  Barack Obama	$50	August 25th, 2008
  Barack Obama	$50	August 23rd, 2008
  Barack Obama	$100	July 31st, 2008
  Barack Obama	$50	July 28th, 2008
  Barack Obama	$50	July 25th, 2008
  Barack Obama	$250	January 10th, 2008

• • Paul Foster

    $4600
    0 100

  Western Refining (El Paso, TX)
  (Petroleum Refining)

  Candidate	Amount	Date
  Bill Richardson	$2300	February 8th, 2007
  Bill Richardson	$2300	February 8th, 2007

• • John Hess

    $6900
    67 33

  Hess (New York, NY)
  (Petroleum Refining)

  Candidate	Amount	Date
  Chris Dodd	$2300	March 20th, 2007
  John McCain	$2300	May 11th, 2007
  John McCain	$2300	June 30th, 2008

• • William Klesse

    $4600
    100 0

  Valero Energy (San Antonio, TX)
  (Petroleum Refining)

  Candidate	Amount	Date
  John McCain	$2300	February 29th, 2008
  Rudy Giuliani	$2300	May 11th, 2007

• • David O'Reilly

    $2300
    100 0

  Chevron (San Ramon, CA)
  (Petroleum Refining)

  Candidate	Amount	Date
  John McCain	$2300	June 30th, 2008

The circles () above are each CEO's relative share of the total financial contributions. The split bars () under each CEO's name, on the left, are how each CEO's donations break down.