2018

  • ExxonMobil Chemical Company - Baton Rouge Polyolefins (PC)
  • ExxonMobil Chemical Company - Baytown Chemical Plant (PC)
  • LyondellBasell Industries - Channelview Complex (PC)
  • LyondellBasell Industries - Chocolate Bayou Polymers Facility (PC)
  • LyondellBasell Industries - Clinton Complex (PC)
  • Phillips 66 - Ponca City Refinery (RF)
  • Shell Oil Products US - Martinez Refinery (RF)

2017

  • ExxonMobil Chemical Company, Baytown Chemical Plant (PC)
  • LyondellBasell Industries, Bayport Complex (PC)
  • Phillips 66, Bayway Refinery (RF)

2016

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)
  • ExxonMobil Chemical Company, Baytown Chemical Plant (PC)
  • LyondellBasell Industries-Equistar Chemicals -Lake Charles Polymers (PC)
  • Phillips 66-Lake Charles Manufacturing Complex (RF)

2015

  •  Chevron Products Company, El Segundo Refinery (RF)
  •  ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2014

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2013

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2012

  • ExxonMobil Chemical Company, Baytown Chemical Plant (PC)

2011

  • Phillips 66, Santa Maria Facility
  • Marathon Petroleum Company LP, Michigan Refining Division
  • Valero Energy Corporation, Valero Houston Refinery

2010

  • LyondellBasell’s Bayport Polymers Plant  

2009

  • Marathon Petroleum Company’s Michigan Refining Division
  • NuStar Asphalt Refining, Savannah Refinery

2008

  • ConocoPhillips, Billings Refinery
  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2007

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2006

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)

2005

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)
  • Marathon Petroleum Company LlC, Catlettsburg, LLC (RF)
  • Placid Refining Company LLC (RF)

2004

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)
  • ExxonMobil Chemical Company, Mont Belvieu Plastics Plant (PC)
  • Valero Refining Company, Valero Wilmington Refinery (RF)

2003

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)
  • Flint Hills Resources, Corpus Christi Complex (RF)

2002

  • ExxonMobil Chemical Company, Baton Rouge Polyolefins Plant (PC)
  • Flint Hills Resources, Corpus Christi Complex (RF)

2001

  • CITGO Petroleum Corporation, Lemont Refinery (RF)
  • BP Chemical, Cedar Bayou Plant (PC)

2000

  • Penreco, Karns City Plant (PC)
  • Marathon Ashland Petroleum LLC, Louisiana Division (RF)

1999

  • Chevron Chemical Company St., James Plant (PC)
  • ExxonMobil Chemical Company, Baton Rouge Plastics Plant (PC)
  • Fina Oil and Chemical Company, Bayport HDPE Plant (PC)

1998

  • E.I. DuPont de Nemours & Company, Inc., Sabine River Works (PC)
  • Exxon Chemical Company, Baton Rouge Plastics Plant (PC)
  • Mobil Chemical Company, Houston Olefins Plant (PC)

1997

  • Citgo Asphalt Refining Company, Savannah Refinery (RF)
  • Exxon Chemical Company, Mont Belvieu Plastics Plant (PC)
  • Westlake Group, Westlake Group Petrochemical Complex (Lake Charles, LA) (PC)

1996

  • Placid Refining Company, Port Allen Refinery (RF)
  • Chevron Chemical Company, St. James Plant (PC)
  • E.I. duPont de Nemours & Company, Inc., Sabine River Works (PC)
  • Exxon Chemical Company, Mont Belvieu Plastics Plant (PC)

1995

  • Shell Oil Company, Anacortes Refinery (RF)
  • E.I. duPont de Nemours & Co., Inc., Beaumont Works (PC)
  • Exxon Chemical Company, Mont Belvieu Plastics Plant (PC)

1994

  • Chevron Chemical Company, St. James Plant (PC)
  • Shell Chemical Company, Taft Chemical Plant (PC)
  • Shell Oil Company, Martinez Manufacturing Complex (RF)
  • Shell Oil Company, Norco Manufacturing Complex (RF)

1993

  • E.I. du Pont de Nemours & Co., Inc., Beaumont Works (PC)
  • Quantum Chemical Company, Clinton Plant (PC)
  • Shell Oil Company, Belpre Chemical Plant (PC)
  • Shell Oil Company , Martinez Manufacturing Complex (RF)

1992

  • E.I. du Pont de Nemours & Co., Inc., Beaumont Works (PC)
  • Shell Oil Company, Anacortes Refinery (RF)
  • Shell Oil Company , Martinez Manufacturing Complex (RF)

1991

  • Amoco Chemical Company, Torrance Polystyrene Unit (PC)
  • E.I. du Pont de Nemours & Co., Inc., Beaumont Works (PC)
  • OxyChem, Victoria Operations (PC)
  • Shell Oil Company, Anacortes Refinery (RF)
  • Shell Oil Company, Odessa Refinery (RF)

1990

  • NO RECIPIENTS

1989

  • BASF Corporation Chemicals Division, Freeport Site (PC)
  • E.I. duPont de Nemours & Company, Inc., Sabine River Works (PC)
  • Oxy Petrochemicals Inc., Orange Plant (PC)

1988

  • Conoco Inc., Santa Maria Refinery (RF)
  • Shell Oil Company, Metairie Plant (RF)
  • Shell Oil Company, Odessa Refinery (RF)

1987

  • NO RECIPIENTS

1986

  • BFGoodrich, Henry Plant (PC)
  • Vista Chemical Company, Lake Charles LAB Plant (PC)
  • Chevron U.S.A. Inc., Mobile Asphalt Refinery (RF)
  • Kerr-McGee Refining Corporation, Wynnewood Refinery(RF)

1985

  • BFGoodrich, Pedricktown Facility (PC)
  • E. I. du Pont de Nemours & Co., Montague Works (PC)
  • Monsanto Company, Chocolate Bayou Plant (PC)
  • Exxon Company, U.S.A., Benicia Refinery (RF)
  • Shell Oil Company, Metairie Plant (RF)
  • Shell Oil Company, Wilmington Manufacturing Complex (RF)

1984

  • Amoco Chemicals Corporation, Torrance Plant (PC)
  • Exxon Chemical Americas, Baytown Olefins Plant (PC)
  • Monsanto Fibers & Intermediates Co., Chocolate Bayou Plant (PC)
  • Chevron U.S.A. Inc., Richmond Beach Refinery (RF)
  • Shell Oil Company, Martinez Manufacturing Complex (RF)

1983

  • Amoco Chemicals Corporation, Torrance Plant (PC)
  • Gulf Oil Products Company, Marietta Plant (PC)
  • Chevron U.S.A. Inc., Richmond Beach Refinery (RF)
  • Giant Refining Company, Ciniza Refinery (RF)

1982

  • Amoco Chemicals Corporation, Torrance Plant (PC)
  • BFGoodrich, Plaquemine Plant (PC)
  • Conoco Chemicals Company, John E. Kircher HDPE Plant (PC)
  • Georgia-Pacific Corporation, Houston Division (PC)
  • Hercules Incorporated, Bayport Plant (PC)
  • Mobil Chemical Company, Holyoke Plant (PC)
  • Shell Chemical Company, Taft Chemical Plant (PC)
  • Chevron U.S.A Inc., Pascagoula Refinery (RF)
  • Chevron U.S.A Inc., Richmond Beach Refinery (RF)
  • Hill Petroleum Company, Krotz Springs Refinery (RF)
  • Shell Oil Company, Odessa Refinery (RF)
  • Witco Chemical Corporation, Lawrenceville Plant (RF)