| ATS Meridian de Mexico S.A. de C.V. | Wilhelm Schmidt Richter | Mexico City | CDMX |
| Georgia DNR - Environmental Protection Division | Marci Schneider | Atlanta | GA |
| R.S. Electronic Controls, Inc. | Russ Schneider | Waterford | WI |
| Highland Tank & Mfg. Co. | Tom Schoendorf | Stoystown | PA |
| Quick Fuel, a division of Flyers Energy | Jerry Schueller | Kewaskum | WI |
| Illinois Oil Marketing Equipment, Inc. | Jason Schumacher | | United States |
| Tri-County Equipment, Inc. | Christine Schutt | Davie | FL |
| ECS Mexico | Erwin Schwarz | San Pedro Garza Garcia | N.L. |
| Island Pump & Tank Corporation | Florence Schweizer | East Northport | NY |
| Southern Co., Inc., The | Anderson Scott, Jr. | Memphis | TN |
| Southern Co., Inc., The | Eric M. Scott | Memphis | TN |
| Simard & Sons, Inc. | Lisa Scott | Lewiston | ME |
| Simard & Sons, Inc. | Scottie Scott, Jr. | Lewiston | ME |
| B & J Equipment Ltd. | Stephen Scott | Longview | TX |
| Meco of Atlanta, Inc. | Mark Scudder | Atlanta | GA |
| Meco of Atlanta, Inc. | Mickey Scudder | Atlanta | GA |
| Meco of Atlanta, Inc. | Pam Scudder | Atlanta | GA |
| Rittiner Equipment Co. Inc. (Branch) | Trey Seaman | Theodore | AL |
| Petroleum Equipment Service, Inc. | Dan Sechrist | Kerrville | TX |
| Petroleum Marketers Equipment Co., LLC (Branch) | Matt Seever | Tulsa | OK |
