Oil & Gas Companies in Kay County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | New Century Petroleum Corp | Oklahoma City, OK 73105 | Oil & Gas Operator | May 2013 |
| 2 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 3 | Nexus Resources Corporation | Drumright, OK 74030 | Oil & Gas Operator | Jan 2013 |
| 4 | Nielson & Associates Inc | Cody, WY 82414 | Oil & Gas Operator | Feb 2016 |
| 5 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Oct 2025 |
| 6 | Noble Energy Production Inc | Houston, TX 77067 | Oil & Gas Operator | Oct 2025 |
| 7 | Nogp Operating Company Inc | Tomball, TX 77377 | Oil & Gas Operator | Jun 2025 |
| 8 | Nondorf Oil & Gas Inc | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2008 |
| 9 | Nytex Energy LLC | Edmond, OK 73083-5946 | Oil & Gas Operator | Sep 2015 |
| 10 | Nytex, L.L.C. | Edmond, OK 73083 | Oil & Gas Operator | Feb 2006 |
Production numbers shown above are only for Kay County, OK and for the production period listed.