| Duke Hicks Plumbing & Petroleum, Inc. | Johnny Noe | Chattanooga | TN |
| Petroleum Marketers Equipment Co., LLC | Michael Noe | | United States |
| SRS Petroleum Service | Kevin Noel | Bloomfield | CT |
| C.A. Norris LLC | Charles Norris | Attica | NY |
| National Petroleum Equipment | Robert Norris | Attalla | AL |
| Arpec Uruguay S.A. | Gabriel Nuñez | | Uruguay |
| Francis Smith & Sons, Inc. | Andy O'Brien | Scott Township | PA |
| Patrick O'Brien | Coatesville | PA |
| Jones & Frank (Branch) | Chris O'Neil | Duluth | GA |
| B & J Equipment Ltd. | Michael Oatney | Longview | TX |
| Bernardo Ocampo | | United States |
| Petromen's Inc. | Brian Odom | Pikeville | NC |
| Petromen's Inc. | Jessica Odom | Pikeville | NC |
| Jack Pittman & Associates Inc. | Caleb Ogden | Norcross | United States |
| Cumberland Farms | Chris Ogonowski | Westborough | MA |
| Hawaii Dept. of Health | Nicole Okino | Pearl City | HI |
| K & W Fueling Equipment LLC | Ben Olson | Rushville | IN |
| Jordan Oppenheimer | Naperville | IL |
| Atlantic Containment | Gail Oppy | Harrisonburg | VA |
| Travis Orcutt | Sanford | FL |
