EX-21.1 11 knx-ex21112312024.htm EXHIBIT 21.1 SUBSIDIARIES OF KNIGHT-SWIFT Document

Exhibit 21.1
SUBSIDIARIES OF KNIGHT-SWIFT TRANSPORTATION HOLDINGS INC.
1.Swift Transportation Co., LLC, a Delaware limited liability company
2.Swift Transportation Co. of Arizona, LLC, a Delaware limited liability company
3.Swift Leasing Co., LLC, a Delaware limited liability company
4.Swift Transportation Services, LLC, a Delaware limited liability company
5.Trans-Mex, Inc., S.A. de C.V., a Mexican corporation
6.Mohave Transportation Insurance Company, an Arizona corporation
7.Swift Intermodal, LLC, a Delaware limited liability company
8.Swift Receivables Company II, LLC, a Delaware limited liability company
9.Red Rock Risk Retention Group, Inc., an Arizona corporation
10.Swift Logistics, LLC, a Delaware limited liability company
11.Swift Refrigerated Service, LLC, a Delaware limited liability company
12.UTXL, Inc., a Missouri corporation
13.Iron Insurance Services LLC, a Delaware limited liability company
14.Knight Refrigerated, LLC, an Arizona limited liability company
15.Knight Logistics LLC, an Arizona limited liability company
16.Knight Transportation Services, Inc., an Arizona corporation
17.Barr-Nunn Transportation LLC., an Iowa limited liability company
18.Knight Transportation, Inc., an Arizona corporation (Knight’s former parent)
19.Abilene Motor Express, LLC., a Virginia limited liability company
20.AAA Cooper Transportation, a South Carolina corporation
21.Midwest Motor Express, Inc. a North Dakota corporation
22.U.S. Xpress Enterprises, Inc., a Nevada corporation
23.U.S. Xpress, Inc. a Nevada corporation
24.U.S. Xpress Leasing, Inc., a Tennessee corporation
25.Total Transportation of MS, LLC a Mississippi corporation
Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of Knight-Swift Transportation Holdings Inc. are omitted because, considered in the aggregate, they would not constitute a significant subsidiary as of the end of the year covered by this report.