- Indian Oil Co Inc
- Indian Oil LTD
- Infinite Energy LLC
- Inland Oil Co
- Inland Oil Corp
- Inland Pipeline Corp
- Integral Resources Inc
- Inter Oil Inc
- Inter Oil Inc
- Intermountain Refining Co
- International Asset Mgmt Inc
- International Oil Gas
- International Oil Svc
- Interocean Oil & Gas Co
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Natural Gas
- Interstate Oil Co
- Interstate Oil Cooperative
- Investment Equipment LLC
- Investors Resources
- Irvin Oil
- Irvin Oil
- Irvin Wall Oil Operators
- Irvin Wall Oil Operators
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Irving Oil Corp
- Isern Oil Co
- Isern Oil Nv
- It's Payday
- Ivanhoe Energy USA Inc
- Ivie Oil Co
- J & G Oil Corp Inc
- J & G Operating
- J & H Oil Co Inc
- J & J Oil
- J & J Oil Field Serv
- J & J Trading
- J & J Trading
- J & L Oil Inc
- J & M Oil
- J & S Oil & Gas
- J & S Oil & Gas
- J & V Oil
- J A Assoc
- J B Stoddard Estate
- J C Brown Oil Co
- J C Daniels Suoco Oil Corp
- J C Jones Oil Co
- J C Oil & Gas
- J Cleo Thompson Co
- J Cleo Thompson Oil Co
- J Cleo Thompson Oil Co
- J Cleo Thompson Oil Co
- J D Gas Inc
- J David Reynolds Co
- J David Reyonolds Co
- J E Marchman Oil Prodrs
- J E Marchman Oil Prodrs
- J Ellis Ralph Jr
- J Fred Mueller Oil Companies
- J G Stone Oil Co
- J G Walker Jr LTD
- J H Kaspar Oil Co
- J H Pope Oil Inc
- J Hiram Moore LTD
- J J Oil Co No 6
- J L Lynd Inc
- J M Huber Corp
- J M Huber Corp
- J M Huber Corp
- J M Oil Co
- J M Sheesley Co
- J P Coleman Petroleum LTD
- J P Coleman Petroleum LTD
- J P Flaherty Oil Co
- J P Oil
- J P Oil Co
- J P Oil Co
- J P Oil Co
- J P Oil Co
- J P Oil Co
- J P Oil Co
- J P Oil Co Inc
- J P Oil Co Inc
- J P Oil Co Inc
- J P Oil Co Liberty Field
- J R & Adam Seitz LTD
- J R & Adam Seitz LTD
- J R Bacon Drilling Co
- J R Oil Co
- J R Owens Oil Inc
- J R Pounds Inc
- J R Seitz & Adam
- J R Smith Oil Co Inc
- J S Beebe
- J S Person
- J T Oil Co
- J W Energy Co LTD
- J W Resources Inc
- J-O'b Operating Co
- Jack C Cartwright
- Jack Oil Co
- Jack P Rahm
- Jacksoco Oil Co Inc
- Jackson & Son Oil Inc
- Jackson Brothers
- Jackson Enterprises
- Jackson Oil Co
- Jackson Oil Field Svc
- Jaco Oil Co
- Jaco Oil Co
- Jaco Oil Co
- Jad Oil Co
- Jadoil Inc
- Jag Oil
- Jagg Oil Coolers
- Jaguar Oil LLC
- James B Myers Oil Co
- James B Peterson
- James D Investments Inc
- James D Investments Inc
- James E Lipetska
- James E Lipetska
- James L Parks
- James Q Maguire Oil & Gas
- James W Elliott Jr
- James W Goss
- James W Lacy Jr
- James W Staples Production Co
- Jan-Mar Oil Co
- Janae Resources
- Janae Resources
- Jane B Armstrong
- Jarvis Drilling
- Jarvis Drilling Inc
- Jarvis Drilling Inc
- Jarvis Drilling Inc
- Jasmine Land Dept
- Jasmine Partners
- Jasper Oil Producers
- Jasper Oil Producers
- Jasper Oil Producers Inc
- Jasper Oil Producers Inc
- Jasper Oil Producers Inc
- Jaten Oil Co
- Jaten Oil Co
- Javelina Partners
- Jayhawk Gasline
- Jbrock Oil
- Jc & Wf Reynolds
- Jc & Wf Reynolds
- Jed Oil Inc
- Jeems Bayou Production Corp
- Jefferson Oil
- Jenex Petroleum Corp
- Jennings Production Co
- Jensen Oil Co
- Jernigan Oil Co Inc
- Jernigan Oil Co Inc
- Jerome P Mc Hugh & Assoc
- Jerry KIDD Oil
- Jerry Mc Cutchin Drilling Co
- Jerry Moore Inc
- Jerry Moore Inc
- Jerry Patterson Oil
- Jerry Scott Drilling Co
- Jerry's Oil Co
- Jetta Production Co
- Jetta Production Co
- Jfs Resources Inc
- Jhatco Inc
- JHR Operating Corp
- Ji Co
- Jim Dible Oil Co
- Jim Dible Oil Co
- Jim Haley Oil Production Co
- Jim Production
- Jim Production
- Jim Production
- Jim Production
- Jimmy Collins Oil & Gas
- JMR Oil Inc
- Joe B Neuhoff
- Joe Greer
- Joe Hall Construction Inc
- Joe Mc Guffin Jr Oil & Gas
- Joe T Hogan
- Joe's Service Station
- John Carey Oil Co
- John Carey Oil Co
- John Carey Oil Co
- John Carey Oil Co
- John Childress Assoc
- John D Herlihy
- John D Herlihy Oil Producer
- John D Wrather Oil Investment
- John D Wrather Oil Investment
- John Denman Oil Co
- John F Houser Inc
- John H Hendrix Corp
- John K Mitchell
- John K Mitchell
- John L May
- John M Beard
- John M Beard
- John Mc Gowan
- John O Clay Exploration Inc
- John O Farmer Inc
- John Oates Co
- John P Ellbogen Oil Producers
- John P Strong Estate
- John Price Oil Investments
- John R Parish Co
- John Richar Royall
- John T Davis Oil Co
- John W Bradley Inc
- John W Bradley Inc
- John W Mc Gowan Crude Oil
- John W Mc Gowan Gift Fields
- John W Mc Gowan Oil
- John W Stone Oil Distr
- John West Oil & Gas
- John Wilson
- Johnny's Oil Svc
- Johnson Oil Co
- Johnson Oil Co
- Johnson Oil Co
- Johnstown Oil Co
- Johnstown Oil Co
- Johonson's Oil Co
- Jojoba The Supreme Bean & Oil
- Jojoba The Supreme Bean & Oil
- Jolen Operating Co
- Jomac Properties
- Jomo Oil Corp
- Jones & Buck Development Oil
- Jones Drilling & Producing Co
- Jones Gas Corp
- Jones Michael Calway Oil & Gas
- Jones Oil Co
- Jones-Kalkman Mineral Co
- Journey Oil & Gas
- Journey Operating
- Journey Operating
- Joyce Co
- JRB Operating Co
- JRC Oil Co
- JSP Oil Inc
- JSP Oil Inc
- JSP Oil Inc
- JTB Oil Co
- Judah Oil
- Jude Production Co Inc
- Jude Production Co Inc
- Jump Oil Co Inc
- Jump Oil Inc
- Jumpstart
- Just Oil
- Justiss Oil Co
- Justiss Oil Co
- Justiss Oil Co Inc
- Justiss Oil Co Inc
- K & B Gas Co
- K & H Coop Oil
- K & J Consutants
- K & N Petroleum Inc
- K B Oil
- K B Oil
- K C Oil
- K C's Natural Oil Fragrances
- K E Snyder Co
- K S Oil Co
- K S Oil Corp
- K-B Oil Co
- Kachina Oil & Gas Inc
- Kadane Oil Co
- Kadane Oil Co
- Kadoka Oil LLC
- Kahan & Assoc
- Kahan & Assoc Inc
- Kaiser Frances Oil Co
- Kaiser Francis Anadarko LLC
- Kaiser Francis Oil Co
- Kaiser-Francis Oil Co
- Kaiser-Francis Oil Co
- Kaiser-Francis Oil Co
- Kaiser-Francis Oil Co
- Kaiser-Francis Oil Co
- Kalda Co LLC
- Kalda Co LLC
- Kaler Farm
- Kanalta Resources
