Exhibit 21
LIST OF SUBSIDIARIES OF QUALITY DISTRIBUTION, INC.
| Name |
State of Incorporation | |
| American Transinurance Group, Inc. | Delaware | |
| Boasso America Corporation | Louisiana | |
| Chemical Leaman Corporation | Pennsylvania | |
| Levy Transport Ltd. / Levy Transport, LTEE | Canada | |
| Mexico Investments, Inc. | Florida | |
| MTL De Mexico S.A. de c.v. | Mexico | |
| Power Purchasing, Inc. | Delaware | |
| QC Dry Bulk, LLC | Delaware | |
| QC Energy Logistics, LLC | Delaware | |
| QC Energy Resources, Inc. | Delaware | |
| QC Energy Resources, LLC | Delaware | |
| QC Energy Resources Northwest, LLC | Delaware | |
| QC Energy Resources Texas, LLC | Delaware | |
| QC Environmental Services, Inc. | North Dakota | |
| QD Capital Corporation | Delaware | |
| QD Risk Services, Inc. | Florida | |
| Quala Systems, Inc. | Delaware | |
| Quality Bulk Logistics, LLC | Delaware | |
| Quality Carriers, Inc. | Illinois | |
| Quality Distribution, LLC | Delaware | |