Age Refining
Air BP
Alon USA
Amerada Hess
American Refining Group 
Amoco
Amoco Canada Marketing
Anadarko Energy Services
Antelope Refining
Apex Oil Company
Arco 
Arco Oil & Gas
Arctic Slope Regional Corp
Arkla
Ashland Oil
Atlantic Richfield
Atlantic Trading & Marketing
Atofina Petro
Bakersfield Refinery
Basis Petroleum
Bayway Refinery
Big West Oil
Big West of California LLC
Black Elk Refining
Blue Dolphin Energy Co
BP Amoco 
BP Canada Energy Marketing
BP Marine
BP North America Petroleum
BP Oil
BP Products North America
BP West Coast Products
Buckeye Refining 
Calcasieu Refining 
Calumet Lubricants 
Calumet Montana Refining
Cenex
Cenex Harvest States
Cenovus
Centana Energy
Centerpoint Energy Field Services
Chalmette Refining
Champlin Refining & Chemical
Chevron Products Company
Chevron USA
ChevronTexaco
CHS
Citgo Petroleum  
CNG Transmission
Coastal Markets Limited
Coastal Mart
Coastal Oil New England 
Coastal Oil New York 
Coastal Refining & Marketing
Coastal States Trading
Coffeyville Resources R&M
Connacher Oil & Gas
Conoco
ConocoPhillips
Country Energy LLC
Countrymark Coop
Cross Oil & Refining
Crosstex Lig Liquids 
Custom Energy
CVR Energy
Davison Petroleum Supply
Delek Refining
Delaware City Refining LLC
Devon Gas Services LP
Diamond Shamrock Refining
Dominion Field Services
Dominion Transmission 
DCP Midstream Partners
DCP NGL Services
Dufour Petroleum
Edgington Oil
El Paso Energy
El Paso NGL Marketing 
ELTM
Emro Propane 
Enbridge Energy Partners
Enbridge Liquids Transport & Marketing
Enjet
Enogex Products
Enterprise Products
Equilon Enterprises
Equistar
Equiva Trading 
Ergon
Ergon Marine & Industrial Supply
Ergon Refining
Ergon West Virginia
Excel Paralubes
Exxon Corporation
ExxonMobil
Fina Oil & Chemical
Flint Hill Resources
Foreland 
Foremost Petroleum
Frontier Oil & Refining
Fuel & Marine Marketing
Fuel Masters
Garco Energy
Gary Williams Energy 
Gas Supply
Go-Mart
Goodway Refining
Hess Corporation
Hess Energy Trading
HETCO
Holly Corporation
HollyFrontier
Holly Refining & Marketing
Houston Refining
Hunt Oil
Hunt Refining
Hunt Southland Refining
Husky Marketing and Supply
Indiana Farm Bureau Coop Association
Inergy Propane
Inland Refining
International Aviation Sales
Johnson Fuel Oil 
Kern Oil and Refining
Kinder Morgan Transmix 
Koch Hydrocarbon 
Koch Industries
Koch Midstream Processing 
Koch Petro Group
Koch Refining
Koch Supply & Trading
Kodiak
La Gloria Oil & Gas
Lazarus Energy LLC
Lig Liquids
Lima Refining
Lion Oil
Little America
Lunday Thagard 
LyondellBasell Refining
Macintyre Fuels
Magpie Operating 
Mapco Alaska Petroleum
Mapco Express
Mapco Petroleum
MAP
Marathon Ashland Petroleum
Marathon Petroleum
Markwest Hydrocarbon Partners
Meridian Oil Hydrocarbons
Mitchell Gas Services
Mobil Oil
Mock Energy Services
Monroe Energy
Montana Refining
Motiva Enterprises
MRC
National Coop Refinery
Natural Gas Clearinghouse
Navajo Refining
NCRA
NGC Corporation
NGC Energy
Noram Energy
Northcut Refining
Northern Tier Energy
Northwest Pipeline
NuStar 
Oneok
Paramount Petroleum
Parker & Parsley Gas Processors
Pasadena Refining System
Paulsboro Refining
PBF Energy Partners
Pelican Refining
Pennzoil
Pennzoil-Quaker State
Petro Star
Petro Star Valdez Refinery
PG&E NGL Marketing
Philadelphia Energy Solutions
Phillips 66
Phillips Petroleum
Placid Oil
Plains Marketing LP
Prestige Stations
PRSI
Pruet Production
Punderson Oil
Quaker State
Refinery Holding Co
Reliant Energy Field Services
RL Vallee
Rosemore
San Joaquin Refining
Shell Chemical
Shell Oil
Shell Oil Co Deer Park
Shell Trading
Silver Eagle Refining-Wood Cross
Sinclair Oil
Sitco
SKW Eskimos Inc
Sohio
Somerset Energy Refining LLC
Somerset Oil 
SOPUS
Sound Refining 
Southern Union Gas Energy
Southland Oil
Speedway SuperAmerica
St. Mary's Refining
St. Paul Park Refining
Standard Oil
Star Enterprise
Striker
STUSCO
Sunbelt Refining
Suncor
Sweet & Burt
Targa Liquids Marketing & Trading
Targa Resources
Tenby
Teppco
Tesoro 
Texaco
Texaco Exploration
Thrifty Oil
Toledo Refining
Tosco Corporation
Tosco Marketing Company
Tosco Refining
ToscoPetro
Totalfina
TotalFinaElf
Total Petrochemical
Total Petroleum
Transok
Trident NGL
True Oil
UDS
Ultramar
Ultramar Diamond Shamrock
Ultramar Energy
Union Oil
Union Oil of California
Union Pacific Resources
United Refining
Uno-ven
Unocal R&M Division 
Upham Oil & Gas
U.S. Oil Trading LLC
Valero Energy
Valero Refining & Marketing
Ventura Refining and Transmission
Warren Petroleum
Western Gas Resources
Western Refining Co LP
Western Refining Southwest
Western Refining Wholesale
Williams Energy Services
Williams Express
Williams Field Services
Williams Marketing & Trading
Williams Refining & Marketing
Woods Cross Refinery
WRB Refining
Wynnewood Refining
Wyoming Refining
York River Fuels