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Drilling Companies:
●	Akita Drilling
●	Alexander Drilling
●	Axxis Drilling
●	Bandera Drilling
●	Big "6" Drilling
●	Big E Drilling
●	CAZA Drilling
●	Cheyenne Drilling
●	Coastal Drilling
●	Crosco
●	Grey Wolf Drilling
●	Horizon Drilling
●	Maersk Group
●	Nabors Industries
●	Nicklos Drilling
●	Pacific Drilling
●	Parker Drilling
●	Patterson-UTI Energy
●	Pioneer Drilling
●	Precision Drilling
Exploration and Production Companies:
●	Abraxas Petroleum Corporation
●	Aera Energy
●	Amerada Hess
●	American Energy Production
●	American Oil and Gas Inc.
●	Ameritex Minerals
●	Anadarko Petroleum
●	Apache Corportation
●	Apex Resources Group
●	Arco
●	Arena Resources Inc.
●	Aruba Petroleum
●	Aspen Exploration
●	Assure Energy Inc.
●	ATP Oil and Gas
●	Barnwell Industries
●	Berry Petroleum
●	BG Group
●	Blue Dolphin Energy
●	BoCor
●	BreitBurn Energy
●	Brek Energy
●	Brigham Exploration
●	BP - Amaco
●	Burlington Resources
●	Cabot Oil and Gas Corporation
●	Callon Petroleum Company
●	CanWest Petroleum
●	Capco Energy
●	Carrizo Oil and Gas
●	Chaparral Resources
●	Chesapeake Energy
●	ChevronTexaco
●	Cimarex Energy
●	Citgo
●	Clayton Williams Energy
●	CMS Energy
●	Comstock Resources
●	ConocoPhillips
●	Contango Oil and Gas
●	Credo Petroleum
●	Cyrus Oil and Gas
●	D&L Energy
●	Dave Easom Production Company
●	Delta Petroleum
●	Denbury Resources
●	Derek Oil and Gas
●	Devon Energy
●	Double Eagle Petroleum
●	Dynamic Oil and Gas
●	Edge Petroleum
●	El Paso
●	Energas Resources
●	Energen Resources
●	Enterra Energy Trust
●	EOG Resources
●	Equitable Resources
●	Evergreen Resources
●	ExxonMobil
●	Fieldpoint Petroleum
●	Forest Oil
●	Fossil Oil and Gas
●	Gasco Energy
●	GeoResources
●	Gibraltar Energy
●	Goodrich Petroleum
●	Gulf
●	Gulfport Energy
●	Habanero Resources
●	Harken Energy
●	Hawker Resources
●	Heartland Oil and Gas
●	Houston Energy
●	Houston Exploration Company
●	Hunt Oil
●	Husky Energy
●	Indocan Resources
●	Irwin Energy
●	Jed Oil
●	K2 Energy
●	KCS Energy
●	Kerr-McGee
●	Kestrel Energy
●	Lexington Resources
●	Magellan Petroleum
●	Magnum Hunter Resources
●	Marathon
●	McMoran Exploration
●	Meridian Resources
●	Miller Petroleum
●	Minard Run Oil Company
●	Mission Resources
●	Montana Oil and Gas
●	Mount Dakota Energy
●	Mountain V Oil and Gas
●	Murphy Oil
●	New Horizon Exploration
●	Newfield Exploration
●	Noble Energy
●	Occidental Petroleum
●	OMDA Oil and Gas
●	Panhandle Royalty
●	Parallel Petroleum
●	Patina Oil and Gas
●	Pengrowth Energy Trust
●	Penneco Oil Company
●	Petrogen
●	PetroQuest Energy
●	Pioneer Natural Resources
●	Plains Exploration and Production
●	Pogo Producing Company
●	Quest Oil
●	Questar
●	Quicksilver Resources
●	Range Resources
●	Ranken Energy
●	Riata Energy
●	Rising Star Energy
●	Royale Energy
●	Ruwco Oil and Gas Corporation
●	San Telmo Energy
●	Seneca Resources
●	Shell
●	SNRG Corporation
●	Southwestern Energy
●	Spindletop Oil & Gas Company
●	Spinnaker
●	St. Mary Land and Exploration
●	Stone Energy
●	Suncor Energy
●	Sunoco
●	Swift Energy
●	Tag Oil
●	Talisman Energy
●	TBX Resources
●	Terax Energy
●	Teton Petroleum
●	Texas Land and Energy
●	Tipperary
●	Titan Oil and Gas
●	Toreador Resources
●	Total
●	Touchstone Resources
●	Tradestar
●	TransGlobe Energy
●	Trek Resources
●	Ultra Petroleum
●	Unit Corporation
●	Universal Property Development and Acquisition
●	Unocal
●	US Oil and Gas Corp
●	USCapital Energy
●	Vaalco Energy
●	Vintage Petroleum
●	Wallis Energy
●	Western Gas Resources
●	Whiting Petroleum
●	Whitmar Exploration
●	Whittier Energy
●	XTO Energy

Oil History:
●	American Oil and Gas Historical Society
●	Bakersfield - One Hundred Years of Oil
●	Clarion County Pennsylvania Oil History
●	Early California Oil History
●	Early Days of Oil
●	Early Petroleum History Sites
●	Historic Oil and Gas Photos
●	Historical Tour of Oklahoma's Oil and Gas Industry
●	Petroleum History Society
●	Petrolia Discovery
●	Spindletop History
●	Standard Oil History
●	The Tremel's Oilfield History

Oil Industry Organizations:
●	Alabama/Mississippi Oil and Gas Division
●	Alaska Oil and Gas Association
●	American Association of Drilling Engineers
●	American Association of Petroleum Geologists
●	American Association of Petroleum Landmen
●	American Gas Association
●	American Geological Institute
●	American Petroleum Institute
●	ASME Petroleum Technology Institute
●	Association of Energy Service Companies
●	California Independent Petroleum Association
●	Canadian Association of Petroleum Producers
●	Canadian Heavy Oil Association
●	Coalbed Methane Association of Alabama
●	Colorado Oil and Gas Association
●	Domestic Petroleum Council
●	Drilling Engineering Association
●	Gas Processors Association
●	Geological Society of America
●	Illinois Oil and Gas Association
●	Independent Oil & Gas Association of West Virginia
●	Independent Petroleum Association of America
●	Independent Petroleum Association of Mountain States
●	Interstate Oil and Gas Compact Commission
●	Kansas Independent Oil and Gas Association
●	Kentucky Oil and Gas Association
●	Liberal Gas Institute
●	Louisiana Independent Oil and Gas Association
●	Louisiana Mid-Continent Oil and Gas Association
●	Michigan Oil and Gas Association
●	Mid-Continent Oil & Gas Association of Oklahoma
●	National Association of Royalty Owners
●	New Mexico Oil and Gas Association
●	Offshore Operators Committee
●	Ohio Oil and Gas Association
●	Oklahoma Independent Petroleum Association
●	Ontario Petroleum Institute
●	Permian Basin Landman's Association
●	Petroleum Association of Wyoming
●	Petroleum Equipment Suppliers Association
●	Society of Petroleum Engineers
●	Society of Petroleum Evaluation Engineers
●	Texas Alliance of Energy Producers
●	Texas Independent Producers Association
●	Texas Oil and Gas Association
●	U.S. Department of Energy
●	Utah Petroleum Association
●	Western States Petroleum Association

Oil Industry Resources:
●	American Oilman
●	Drilling Info
●	Gulf Publishing
●	Hart's E&P Net
●	Hydrocarbon Online
●	Minerals Management Services
●	Oil.com
●	Oil and Gas International
●	Oil and Gas Investor
●	Oil and Gas Journal
●	Oil and Gas Well Drilling/Servicing eTool
●	Oil-Net.com
●	Oil Information Technology Journal
●	Oil-Law Records
●	Oil Online
●	Oilfield Canada
●	Oilfield Directory
●	Oilfield Workers Registry
●	Pump Engineer
●	Permian Basin Digital Petroleum Library
●	Permian Basin Oil Show
●	Petroleum News
●	Petroleum Place
●	Rocky Mountain Oil Journal
●	USA Oilfield
Oil Museums:
●	Arkansas Museum of Natural Resources
●	Caddo-Pine Oil and Historical Museum
●	California Oil Museum
●	Canadian Petroleum Interpretive Centry
●	Central Texas Oil Patch Museum
●	Drake Well Museum
●	East Texas Oil Museum
●	Healdton Oil Museum
●	Hot Springs County Wyoming Museum
●	Illinois Oil Field Museum
●	International Petroleum Museum
●	Kansas Oil Museum
●	Louisiana State Oil and Gas Museum
●	Marland Oil Museum
●	Ocean Star Museum
●	Oil Museum of Canada
●	Oil Patch Museum
●	Penn-Bradd Oil Museum
●	Spindletop-Gladys City Boomtown Museum
●	Texas Energy Museum
●	The Petroleum Museum
●	West Kern Oil Museum
Oilfield Auctions and Sales:
●	Energy Auction Place
●	EnergyNet.com
●	eOilfield.com
●	Madison Energy Advisors
●	Network International
●	Oil-Field Equipment Classifieds
●	Oilfield-Auction.com
●	Oilfield.com
●	Oilfield Depot
●	Oilfield Surplus
●	Tradequip
●	World Wide Oil Field Sales
Oilfield Related Websites:
●	Drill-Sidetrack
●	George Dreher
●	Oklahoma Oil Wells!
●	Roughneck Shack
●	Sosuzguy's Oilfield Photos
●	The Barnett Shale
●	The World of Oil
Oilfield Services and Supply:
●	Accell Well Services
●	Alpha Oil Tools
●	Autobahn Industries
●	Baker Hughes
●	BGR Oilfield Services
●	Black Gold Pump and Supply
●	Cad Oilfield Specialties
●	Concord Well Servicing
●	Cook Pump Company
●	Crown Oilfield Services
●	Cudd Well Control
●	Danco Pump and Supply Company
●	Dansco Manufacturing Inc.
●	Drill Pipe Industries
●	Drillers Supply Inc.
●	Eaton Oil Tools
●	Energy Resources
●	Fesco
●	Fire Power
●	GenTex Oilfield Manufacturing
●	GeoMechanics International
●	Gosselin Pipe and Steel
●	Key Energy
●	Key Safety Services
●	Halliburton
●	Hamdon Wellsite Solutions Ltd.
●	Henders Oil Tools
●	Hanover
●	Hickman Sales and Service
●	Higgins Rig Company
●	Hunting International
●	IDM Equipment
●	Integrated Production Services
●	International Oilfield Services
●	Jade Oilfield Service
●	Jensen
●	LaFleur Petroleum Services
●	JL Bryan Oilfield Equipment
●	LS Petrochem Equipment
●	Lufkin Industries
●	M & S Oilfield Supply
●	Maclaskey Oilfield Services
●	Mesquite Oil Tools
●	MGM Well Service
●	Mike's Oilfield Services
●	Mo-Vac Service Company
●	National Oilwell
●	Nelgar Oilfield Services
●	Noble
●	Offshore Guides
●	Oil and Gas Exploration
●	Oil Drilling Products, Inc.
●	Oilfield Audit Services
●	Oilfield Equipment Services
●	Oilfield Medics
●	Oilfield Specialty Distributors
●	Oilfield Workers Registry
●	OPECo
●	Ortco Incorporated
●	Petro Equipment X-change
●	Petroleum Industry Training Service
●	Pinnacle Oilfield Services
●	Poncho Well Servicing
●	Poor Boy Supply
●	Producers Oilfield Services
●	R.K. Pipe and Supply
●	Ralow Services
●	Ramsey Chemicals
●	Rod Services
●	Rolligon Well Servicing
●	Reeves Oilfield Service
●	Schlumberger
●	Sim-Con Oilfield Equipment
●	Simpson Gear and Oil Inc.
●	Smith International
●	Stallion Oilfield Services
●	Star Middle East (USA) Inc.
●	Superior Wellhead
●	Tadlock Pipe and Rentals
●	Team Oil Tools
●	TEC Well Service
●	Texas International Oilfield Tools
●	Texas Oil Tools
●	Theta Enterprises
●	TRC Rod Services
●	Trican Well Service
●	Trident Equipment
●	United Distribution
●	Waters International
●	Ward Williston
●	Weatherford
●	Wedge Oil and Gas Services
●	Western Silverline
●	Winborne Supply
●	Woodco USA
Petroleum Colleges and Universities:
●	Colorado School of Mines
●	Louisiana State University
●	Marietta College
●	Midland College
●	Montana Tech
●	New Mexico Tech
●	Penn State University
●	Standford University
●	Texas A&M University
●	Texas Tech University
●	University of Alaska Fairbanks
●	University of Kansas
●	University of Louisiana Lafayette
●	University of Missouri
●	University of Oklahoma
●	University of Pittsburgh
●	University of Southern California
●	University of Texas
●	University of Tulsa
●	University of Wyoming
●	West Virginia University
State Oil and Gas Boards:
●	Alabama State Oil and Gas Board
●	Alaska Oil & Gas Conservation Commission
●	Arizona Geological Survey
●	Arkansas Oil and Gas Commission
●	California Department of Conservation
●	Colorado Oil and Gas Conservation
●	Georgia Department of Natural Resources
●	Illinois Department of Natural Resources
●	Indiana Department of Natural Resources
●	Kansas Corporation Commission
●	Kentucky Division of Oil and Gas
●	Louisiana Department of Natural Resources
●	Michigan Dept. of Environmental Quality
●	Mississippi Oil and Gas Board
●	Montana Board of Oil and Gas Conservation
●	Nebraska Oil and Gas Conservation
●	Nevada Division of Minerals
●	New Mexico Energy and Natural Resources
●	New York Division of Mineral Resources
●	North Dakota Oil and Gas Division
●	Ohio Division of Oil and Gas
●	Oklahoma Oil and Gas
●	Pennsylvania Bureau of Oil and Gas
●	South Dakota Oil and Gas
●	Tennessee Oil and Gas Board
●	Railroad Commission of Texas
●	Utah Division of Oil, Gas, and Mining
●	Virginia Division of Oil and Gas
●	Washington Oil and Gas Regulation
●	West Virginina Independant Oil and Gas
●	Wyoming Oil and Gas Conservation