Exhibit 21.1
LIST OF SUBSIDIARIES OF LANDSTAR SYSTEM, INC.
(as of December 27, 2025)
| Name | Jurisdiction of Incorporation | % of Voting Securities Owned | ||
| Subsidiary of Landstar System, Inc. | ||||
| Landstar System Holdings, Inc. | Delaware | 100 | ||
| Subsidiaries of Landstar System Holdings, Inc. | ||||
| Landstar Inway, Inc. | Delaware | 100 | ||
| Landstar Global Logistics, Inc. | Delaware | 100 | ||
| Landstar Ligon, Inc. | Delaware | 100 | ||
| Landstar Ranger, Inc. | Delaware | 100 | ||
| Risk Management Claim Services, Inc. | Delaware | 100 | ||
| Landstar Transportation Logistics, Inc. | Delaware | 100 | ||
| Also d/b/a Landstar Carrier Services, Inc. | ||||
| Landstar Contractor Financing, Inc. | Delaware | 100 | ||
| Signature Insurance Company | Cayman Islands, BWI | 100 | ||
| Landstar Canada Holdings, Inc. | Delaware | 100 | ||
| Landstar MH I LLC | Delaware | 100 | ||
| Landstar Blue LLC | Delaware | 100 | ||
| Landstar Investment Holdco, LLC | Delaware | 100 | ||
| Landstar Transfronteras LLC | Delaware | 100 | ||
| Subsidiary of Landstar Canada Holdings, Inc. | ||||
| Landstar Canada, Inc. | Ontario, Canada | 100 | ||
| Also d/b/a Enterprise Landstar Canada in Quebec | ||||
| Subsidiary of Landstar Global Logistics, Inc. | ||||
| Landstar Express America, Inc. | Delaware | 100 | ||
| Subsidiary of Landstar Ranger, Inc. | ||||
| Landstar Gemini, Inc. | Delaware | 100 | ||
| Also d/b/a Landstar Less Than Truck Load | ||||
| Also d/b/a Landstar LTL | ||||
| Subsidiary of Landstar MH I LLC | ||||
| Landstar MH II LLC | Delaware | 100 | ||
| Landstar Holdings, S. de R.L.C.V. | Mexico | 0.1 | ||
| Subsidiary of Landstar MH II LLC | ||||
| Landstar Holdings, S. de R.L.C.V. | Mexico | 99.9 | ||
| Subsidiary of Landstar Holdings, S. de R.L.C.V. | ||||
| Landstar Metro, S.A.P.I. de C.V. | Mexico | 100 |