
Oceaneering |
 Englehart Energy |

Gomex Energy |

Tengasco, Inc. |
Pyramid Petroleum, Inc.
|
ENI Petroleum Co |
|
Breton Energy
|
Cobalt International Energy |

Plains Exploration &
Production/Pogo Producing |
Leed Petroleum (Formerly Darcy Energy)
|
BHP |
Stat Oil |
Superior Energy Services |
Tesla Offshore |
CGGVeritas |
 Ridgewood Energy |
Seitel |
Dynamic Offshore Resources |
CIECO Energy Ventures LLC
|
Explore Enterprises
|
PGS - Petroleum
Geo-Services |
IPR North America Holdings Corp (previously Santos USA) |
Pioneer Natural Resources |
Gryphon Exploration Co |
Virgin Offshore USA
|
Deep Gulf Energy
LLC (Previously Convergent Energy) |
Wood Mackenzie |
Apache Corp. |
Burlington Resources |
Kerr McGee |
Lexco OWL |
Energy Partners |
|
Devon Energy |
Total Fina Elf |
Huber |
Callon Petroleum |
Foster & Associates |
Energy XXI |
| |
PetroQuest Energy |
Walter Oil and Gas Corp |
SEI Seismic Exchange |
NewField Exploration Co |
|
Helix Energy Solutions Group Caldive Internation
Energy Resource Technology |
Mariner Energy |
Marathon |
Sojitz Energy Venture, Inc. |
Hunt Petroleum/Aviara Energy Corp |
JOG Corporation |
Spirit Energy 76 |
PetroChief International |
Enterprise |
Hall Houston Oil Co |
Cimarex/Magnum Hunter |
W & T Offshore |
|
AGIP Petroleum |
Enterprise Oil |
Seneca Resources |
Schully Roberts Law Firm |
STEEGE KINGSTON & ASSOCIATES |
Liskow & Lewis |
Texas State Parks & Wildlife |
McMoRan
(Includes CLK) |
Dominion |
Cairn Energy USA |
Amerada Hess |
Matrix Oil and Gas |
Fairfieldnodel |
Centaurus Energy, LP
|
Maersk Oil
|
BP / Amoco / Vastar |
Object Reservoir |
Houston Exploration |
ATP Oil & Gas |
Stone Energy |
Legacy Resources |
Remington Oil & Gas |
RepsolYPF
|
Denbury |
TDC Energy |
Shell Offshore |
Houston Energy |
ConocoPhillips |
Shell Gas Transmissions |
EnCana / PanCanadian |

Marubeni |
Tarpon
Operating & Development |
MCX Exploration USA |
Petro Chemical Services (PSI) |
Wiser Oil Company |
TGS-NOPEC |
Manti Resources |
Nexen Inc.
(Formerly Canadian Occidental Petroleum) |
Maritech Resources |
Marlin Energy |
Challenger Minerals |
|
Adams and Reese, LLP |
Samson Resources
|
NCX |
Century Exploration |
LLOG Exploration |
Petral Worldwide |
Badger Oil |
Arena Energy |
Merit Energy |
McDermott
International |
King, Leblanc, & Bland, LLP |
Hydro Gulf of Mexico
(Merged with
Spinnaker Exploration) |
Peregrine Oil
& Gas |
MADCON Corporation |
Murphy USA |
Fairway Offshore |
Blue Dolphin Energy &
Blue Dolphin Services Company |
Focus Exploration
|
Exxon-Mobil Oil
|
Rooster Petroleum, LLC
|
EPI Solutions
|
| STERLING ENERGY |
CONTINENTAL LAND & FUR CO, INC |
SAMEDAN /
NOBLE ENERGY |
BRAZOS NATURAL RESOURCES |
AOA GEOPHYSICS |
ENERGY RESOURCE TECHNOLOGY |
APEX OIL & GAS |
NI ENERGY VENTURES INC |
GRAY EXPLORATION COMPANY |
THE WILLIAM G. HELIS COMPANY |
MOEX |
CRONUS OFFSHORE |
|
Medco Energi US LLC (Previously NOVUS USA) |
MAGNET CONSULTING |
|
RESOURCE TECHNOLOGIES |
DIVERSE - RIMCO |
HARRISON LOVEGROVE |
HALLIBURTON |
Trog Exploration &
Production |
J H BLADES & CO |
TSAR ENERGY |
|
|
CONN ENERGY |
HILCORP |
STERLING ENERGY |
Litchfield Energy
Consulting |
South River Exploration |
Nippon
Oil Exploration USA Limited |
CHEVRONTEXACO
(Chevron/Unocal/Texaco) |
Fidelity Exploration & Production |
| TANA EXPLORATION COMPANY, LLC |
Stephens Production LLC |
Hunt Oil |
TransCanada |
Maxus Corporation- |
REPUBLIC EXPLORATION
(Also Juneau Exploration, Magnolia & Contango
Offshore Exp, LLC) |
| Trifecta Oil & Gas |
Collarini
|
|