| Company | City | State | Country |
| Falco Energy Transportation, LLC | Shreveport | LA | USA |
| First Class Transport | New Philadelphia | OH | USA |
| Fleet Transit, Inc. | Baltimore | MD | USA |
| Florida Rock & Tank Lines Inc. | Jacksonville | FL | USA |
| Flying J Transportation | Ogden | UT | USA |
| Flying Star Transport LLC | Amarillo | TX | USA |
| Foodliner, Inc. | Dubuque | IA | USA |
| Fort Transfer Co. | Morton | IL | USA |
| Freehold Cartage, Inc. | Freehold | NJ | USA |
| Frontier Logistics LP | Morgans Point | TX | USA |
| Future Blk Carriers, Div of Laidlaw | Woodstock | ON | CANADA |
| Gazelle Transportation, Inc. | Bakersfield | CA | USA |
| Gemini Motor Transport | Oklahoma City | OK | USA |
| Genox Transportation, Inc. | La Porte | TX | USA |
| Georgia Tank Lines, LLC | Atlanta | GA | USA |
| Girton Propane Service, Inc. | Clay Center | KS | USA |
| Glendenning Brothers, Inc. | Stillman Valley | IL | USA |
| Gorski Bulk Transport Inc. | Oldcastle | ON | CANADA |
| Grammer Industries Inc. | Grammer | IN | USA |
| Great Lakes Petroleum Transportation LLC | Alma | MI | USA |
| Great Lakes Terminal & Transport Corporation | Bedford Park | IL | USA |
| Greensville Transport Company | Chesapeake | VA | USA |
| Groendyke Transport Inc. | Enid | OK | USA |
| Grupo Transpormex, S.A. de C.V. | Quertaro | Quertaro | MEXICO |
| H. O. Bouchard Inc. | Hampden | ME | USA |
| H. O. Dick Transfer Co. | Bethany | IL | USA |
| Hahn Transportation, Inc. | New Market | MD | USA |
| Harmac Transportation Inc. | Concord | ON | CANADA |
| Harms Oil Company | Aberdeen | SC | USA |
| Harms Pacific Transport Inc. | Pasco | WA | USA |
| Harold Marcus Limited | Bothwell | ON | CANADA |
| Harris Transportation Company, LLC | Portland | OR | USA |
| HazMat Environmental Group, Inc. | Lackawanna | NY | USA |
| Heniff Transportation Systems, Inc. | Alsip | IL | USA |
| Hercules Transport, Inc. | Choudrant | LA | USA |
| Herman R. Ewell, Inc. | East Earl | PA | USA |
| Highway Transport, Inc. | Knoxville | TN | USA |
| Hoffman Transportation, Inc. | Morris | IL | USA |
| Hoffmeier, Inc. | Tulsa | OK | USA |
| Horizon Tank Lines, Inc. | Durham | NC | USA |
| Hoyer Global Inc. | Houston | TX | USA |
| Intercoastal Transport Co. | Salisbury | MD | USA |
| International Liquid Carriers, Inc. | Laredo | TX | USA |
| Island Transportation Corp. | West Babylon | NY | USA |
| ITL | Cudahy | CA | USA |
| J & M Tank Lines, Inc. | Americus | GA | USA |
| J - M Transports, Inc. | Millington | IL | USA |
| J & S Transport Co., Inc. | Lynn | MA | USA |
| Jack B. Kelley, Inc. | Amarillo | TX | USA |
| Johnsrud Transport | Des Moines | IA | USA |
| K2 Tank Lines | Channahon | IL | USA |
| K-Limited Carrier, Ltd. | Toledo | OH | USA |
| Kane Transport Inc. | Sauk Centre | MN | USA |
| Kemira Logistics, Inc. | Lakeland | FL | USA |
| Ken Johnson Trucking Ltd. | Aldergrove | BC | CANADA |
| Kenan Advantage Group | Canton | OH | USA |
| Kimrad Transport, LP | Amarillo | TX | USA |
| L P Transportation, Inc. | Chester | NY | USA |
| L.C.L. Bulk Transport, Inc. | Green Bay | WI | USA |
| Lacy's Express Inc. | Pedricktown | NJ | USA |
| Langley Weinstein LLP | Dallas | TX | USA |
| Lee & Eastes Tank Lines, Inc. | Seattle | WA | USA |
| Les Transports Audec Inc. | Sainte-Catherine | QC | CANADA |
| Linden Bulk Transportation Co., Inc. | Linden | NJ | USA |
| Liquid Cargo Inc. | Kearny | NJ | USA |
| Liquid Transfer, Inc. | Jacksonville | FL | USA |
| Liquid Transport Corp | Indianapolis | IN | USA |
| Luckey Trucking, Inc. | Streator | IL | USA |
| LydenOil Company | Youndstown | IL | USA |
| Lynn H. Scott, Inc. | Blossvale | NY | USA |
| M. C. Tank Transport, Inc. | West Chester | OH | USA |
| Martin Transport Inc. | Kilgore | TX | USA |
| McKenzie Tank Lines Inc. | Tallahassee | FL | USA |
| McKinley Trucking Co., Inc. | Carson City | MI | USA |
| McMahon Transport Group, LLC | Lockport | IL | USA |
| Miller Transporters, Inc. | Jackson | MS | USA |
| Mission Petroleum Carriers, Inc. | Houston | TX | USA |
| National Distribution Services, Inc. | Las Vegas | NV | USA |
| Niyac Corporation | Tokyo | | JAPAN |
| Northwest Tank Lines Inc. | Langley | BC | CANADA |
