Oil & Gas Companies in Claiborne Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | L P C Energy, Inc. | | Oil & Gas Operator | Mar 1985 |
| 2 | L'Oil Operating & Management Co., Inc. | | Oil & Gas Operator | Nov 2024 |
| 3 | L'Oil Operating And MGMT. Co. | | Oil & Gas Operator | Dec 2008 |
| 4 | L. E. Gillespie | | Oil Operator | Sep 1984 |
| 5 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Jun 2025 |
| 6 | Lamar Hunt | | Oil & Gas Operator | Oct 2003 |
| 7 | Lamar Smith | | Oil Operator | Aug 1991 |
| 8 | Latham Exploration Company Inc | | Oil & Gas Operator | Aug 1992 |
| 9 | Lawson Engineering, Inc. | | Oil & Gas Operator | Dec 1984 |
| 10 | Lear Gas Transmission | | Oil Operator | Aug 1989 |
| 11 | Lear Petroleum Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Aug 1999 |
| 12 | Leatherman Creek, Inc. | | Oil Operator | Jul 2001 |
| 13 | Linn Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2019 |
| 14 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 15 | Live Oak Energy, Inc. | | Oil & Gas Operator | Dec 2011 |
| 16 | Lobo Operating, Inc. | Houston, TX 77077 | Oil & Gas Operator | Dec 2024 |
| 17 | Long Oil & Natural Gas Corp. | | Oil & Gas Operator | Feb 1996 |
| 18 | Louisiana Operating Co., Inc. | | Oil & Gas Operator | Aug 1994 |
| 19 | Louisiana-Hunt Petroleum Corp. | | Oil & Gas Operator | Dec 1985 |
| 20 | Lowmar Exploration Co. | | Oil & Gas Operator | Feb 1990 |
| 21 | Lyons Petroleum, Inc. | | Oil & Gas Operator | Oct 1988 |
Production numbers shown above are only for Claiborne Parish, LA and for the production period listed.