- Advantous Consulting, LLC
- Aethon
- Air Products & Chemicals, Inc.
- Alliance Technical Group
- Baker Donelson, Bearman, Caldwell & Berkowitz, PC
- Baker Hughes
- BASF
- BKV Corp
- BP America, Inc.
- Bradley, Murchison, Kelly & Shea, LLC
- Calcasieu Refining Co.
- Cameron LNG
- Capio Sequestration, LLC
- CF Industries
- Cheniere Energy
- Chevron
- CH Fenstermaker
- Citgo Petroleum Corporation
- Colonial Pipeline Company
- ConocoPhillips
- Copestone Inc.
- Cornerstone Governmental Affairs
- Danos
- Delek
- Devon Energy
- Didier Consultants, Inc.
- Dow
- Driftwood LNG/Tellurian Investments
- DT Midstream
- Enbridge
- Energy Transfer
- EnLink Midstream
- Enterprise Offshore
- Enterprise Products Partners LP
- Equinor
- Expand Energy
- ExxonMobil
- ExxonMobil Pipeline Company
- French Cole Strategies
- Geosyntec Consultants
- GHD
- Ginger Adam Corley, LLC
- Greater New Orleans, Inc.
- Greater Lafourche Port Commission
- Halliburton
- Hartee Natural Gas Storage
- Hazelwood Energy Hub
- Heirloom Carbon
- Hess Corporation
- Hilcorp Energy Company
- Hood, Baumann & Associates, LLC
- Jones Walker
- Kean Miller LLP
- Kelly Hart Pitre
- Koch Companies Public Sector, LLC
- Kosmos Energy
- LA 1 Coalition, Inc.
- Lapis Carbon Solutions
- Live Oaks CCS
- Liskow & Lewis
- LOOP LLC
- Louisiana Oilfield Contractors Association
- Marathon Oil Company
- Marathon Petroleum Company LP
- Murphy Oil Corporation
- Occidental Petroleum (Oxy)
- ONEOK
- Orion Group Holdings
- PABI
- PBF Energy - Chalmette Refining, LLC
- Petro-Hunt LLC
- Phillips 66
- Pivotal GR Solutions
- Placid Refining Company
- Plains All American Pipeline, LP
- PPM Consultants
- Repsol
- Safety Management Systems, LLC
- Sasol Corporation
- SCIA
- Sempra Energy
- Shell USA, Inc.
- Shell Pipeline Company, LP
- Southwestern Energy
- St. Charles Clean Fuels
- T. Baker Smith, Inc.
- TC Energy
- The Ehrhardt Group
- The Picard Group
- The TJC Group
- The Williams Companies
- Third Coast
- Valero Meraux Refinery
- Valero St. Charles Refinery
- Venture Global
- Woodside