Clients
- 3M
- Akin Gump Strauss Hauer & Feld LLP
- American Capital
- Apache Corporation
- Apollo Management
- Bank of America
- Beacon Group
- BP
- Bracewell & Giuliani LLP
- Caddell & Chapman
- Chevron
- CITGO
- ConocoPhillips
- Delek US Holdings, Inc.
- Deutsche Bank
- DuPont
- Eastman Chemical
- Ergon Inc.
- ExxonMobil
- Fifth Third Bank
- Frontier Refining
- Fulbright & Jaworski
- Giant Industries, Inc.
- Glencore, Ltd.
- Hall & Evans, LLC
- Holly Corporation
- Holly Energy Partners
- Hughes Bauman Pfiffner Gorsky & Seedorf, LLC
- IAG
- INEOS Olefins & Polymers USA
- ING
- Kleinheinz Capital Partners, Inc.
- Koch Petroleum Group LP
- Lion Oil Company
- Manley & Brautigam, P.C.
- Marathon Ashland Petroleum Company
- Morgan Stanley
- Murphy Oil USA, Inc.
- Navajo Refining Company
- NCRA
- Oak Hill Partners
- Overseas Private Investment Corporation
- Petrohawk Energy
- Petroplus International, N.V.
- Popp, Gray & Hutcheson, LLP
- Reliant Energy
- Riverstone
- Rothschild Inc.
- Shell
- Sunoco
- Sun Trust
- Swift Energy Operating Company
- Tesoro Petroleum Corporation
- Texas Petrochemicals
- Tosco Corporation
- Trafigura
- UBS
- United Petroleum Corporation
- U.S. Department of Defense
- U.S. Department of Justice
- Valero Energy Corporation
- Vinson & Elkins LLP
- Warburg Pincus
- Wells Fargo
- Western Refining Company
- Williams Companies
- Wyoming Refining Co.