2023
- Cheniere Energy - Corpus Christi Liquefaction
- Cheniere Energy - Sabine Pass Liquefaction
- Chevron U.S.A - El Segundo Refinery
- Chevron Phillips Chemical Company LP - Sweeny, Clemens & Old Ocean
- Delek US - El Dorado Refinery
- Delek US - Krotz Springs Refinery
- HF Sinclair Corporation - Casper Refinery
- HF Sinclair Corporation - Navajo Refinery
- HF Sinclair Corporation - Puget Sound Refinery
- INVISTA - Longview Polypropylene Facility
- LyondellBasell Industries - Victoria Plant
- Marathon Petroleum Company -Kenai Refinery
- Par Pacific Holdings, Inc. - Par Montana Refinery
- Valero Energy Corporation - Wilmington Asphalt Plant
- W.R. Grace & Co. - Lake Charles Site
2022
- Chevron Phillips Chemical Company LP - Port Arthur Plant
- Chevron Phillips Chemical Company LP - Sweeny, Old Ocean, and Clemens Facility
- ExxonMobil/SABIC Joint Venture - Gulf Coast Growth Ventures
- HF Sinclair Corporation - Navajo Refining LLC
- LyondellBasell Industries - Victoria Plant
- Marathon Petroleum Company - El Paso Refinery
- OQ Chemicals Corporation - Bay City Site
- PBF Energy Inc. - Martinez Refining Company LLC
- Phillips 66 - Ponca City Refinery
- Valero Energy Corporation - McKee Refinery
- Valero Energy Corporation - Wilmington Asphalt Plant
2021
- Chevron Phillips Chemical Company - Drilling Specialties Conroe Plant
- ExxonMobil Chemical Company - Baytown Chemical Plant
- ExxonMobil Chemical Company - Baytown Olefins Plant
- Exxon Mobil Refining & Supply - Billings Refinery
- Exxon Mobil Refining & Supply - Joliet Refinery
- Flint Hills Resources, LLC - Houston Chemical
- LyondellBasell Industries - Louisiana Integrated PolyEthylene JV LLC (LKO)
- Phillips 66 - Bayway Refinery
- Valero Energy Corporation - Texas City Refinery
- Valero Energy Corporation - Three Rivers Refinery
2020
- Chevron Phillips Chemical Company - Drilling Specialties Conroe Plant
- Chevron Phillips Chemical Company - Orange Facility
- Chevron Phillips Chemical Company - Port Arthur Plant
- CountryMark Refining & Logistics LLC - Mount Vernon Refinery
- ExxonMobil Chemical Company - Baytown Olefins Plant
- ExxonMobil Chemical Company - Mont Belvieu Plastics Plant
- Marathon Petroleum Company LP - Anacortes Refinery
- Marathon Petroleum Company LP - Dickinson Refinery
- Phillips 66 - Billings Refinery
- Phillips 66 - Rodeo Refinery
- Valero Refining - Texas L.P. - Houston Refinery
- Valero Energy Corporation - Port Arthur Refinery
- Valero Energy Corporation - St. Charles Refinery
2019
- Chevron Phillips Chemical Company LP - Drilling Specialties Conroe Plant
- Chevron Phillips Chemical Company LP - Orange Plant
- ExxonMobil Chemical Company - Pensacola Specialty Elastomers Plant
- ExxonMobil Chemical Company - Baton Rouge Plastics Plant
- LyondellBasell Industries - Corpus Christi Operations
- LyondellBasell Industries - Edison Catalyst Manufacturing
- LyondellBasell Industries - Victoria Site
- Valero Energy Corporation - Wilmington Asphalt Plant
2018
- Chevron Phillips Chemical Company - Cedar Bayou
- Chevron Phillips Chemical Company - Drilling Specialties Conroe Plant
- Chevron Phillips Chemical Company - Pasadena Plastics Complex
- Chevron Phillips Chemical Company - Port Arthur Plant
- Chevron Phillips Chemical Company - Sweeny/Old Ocean Facilities
- Delek US - Krotz Springs Refinery
- ExxonMobil Chemicals- Pensacola Special Elastomers Plant
- ExxonMobil Refining & Supply - Baton Rouge Refinery
- Flint Hills Resources LLC - Peru Plant
- LyondellBasell Industries - Corpus Christi Operations
- LyondellBasell Industries - Equistar Chemicals, LP - Lake Charles Polymers
- LyondellBasell Industries - Equistar Chemicals, LP - Victoria
- LyondellBasell Industries - Morris Site
- Marathon Petroleum Corporation - Dickinson Refinery
- Marathon Petroleum Corporation - Martinez Refinery
- Marathon Petroleum Corporation - Salt Lake City Refining Division
- Oxea Corporation - Bay City
- Phillips 66 - Billings Refinery
- Phillips 66 - WRB Refining LP – Borger Refinery
- Phillips 66 - San Francisco Refinery – Santa Maria Plant
- Valero Energy Corporation - Ardmore Refinery
2017
- Andeavor, Dickinson Refinery
- Andeavor, Mandan Refinery
- Chevron Phillips Chemical Company LP, Drilling Specialties Conroe Plant
- Chevron Phillips Chemical Company LP, Port Arthur Plant
- ExxonMobil Chemical Company, Pensacola Specialty Elastomers Plant
- LyondellBasell Industries, Edison Catalyst Manufacturing
- LyondellBasell Industries-Equistar Chemicals, Victoria Site
- Phillips 66, Alliance Refinery
- Phillips 66, Wood River Refinery
- Valero Refining Company, McKee Refinery
- Valero Refining Company, Wilmington Asphalt Plant
2016
- BASF-Pasadena CPN
- Chevron Phillips Chemical Company LP, Borger Plant
- Chevron Products Company, Salt Lake Refinery
- ExxonMobil Chemical Company, Baton Rouge Plastics Plant
- ExxonMobil Refining & Supply, Billings Refinery
- LyondellBasell Industries, Chocolate Bayou Polymers Facility
- LyondellBasell Industries, Edison Catalyst Manufacturing
- LyondellBasell Industries, Equistar Chemicals-Tuscola Facility
- Phillips 66, Bayway Refinery
- Phillips 66, Billings Refinery
- Phillips 66, San Francisco Refinery-Rodeo Plant
- Phillips 66, San Francisco Refinery-Santa Maria Plant
- Phillips 66, Sweeny Refinery
- Valero Refining Company, Wilmington Refinery
2015
- Chevron Phillips Chemical Company LP, Borger Plant
- ExxonMobil Chemical Company, Baytown Olefins Plant
- ExxonMobil Chemical Company, Beaumont Polyethylene Plant
- LyondellBasell Industries, Chocolate Bayou Polymers Facility
- LyondellBasell Industries, Corpus Christi Operations
- LyondellBasell Industries, Matagorda Complex
- Marathon Petroleum Company LP, Galveston Bay Refinery
- Shell Oil Products US, Shell Martinez Refinery
- Tesoro Refining & Marketing Company, Anacortes Refinery
- Total Petrochemicals & Refining USA, Inc., Bayport HDPE Plant
- Valero Refining Company, Ardmore Refinery
- Valero Refining Company, Houston Refinery
2014
- BP Amoco Chemical Company, BP Texas City Chemical
- Calumet Specialty Lubricants, Dickinson Plant
- Chevron Products Company, El Segundo Refinery
- ExxonMobil Chemical Company, Baton Rouge Plastics Plant
- ExxonMobil Chemical Company, Baytown Chemical Plant
- ExxonMobil Chemical Company, Beaumont Polyethylene Plant
- ExxonMobil Chemical Company, Edison Synthetics Plant
- LyondellBasell Industries-Equistar Chemicals, Lake Charles Polymers
- LyondellBasell Industries-Equistar Chemicals, Victoria Site
- Shell Oil Products US, Shell Martinez Refinery