Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

1.	Swift Transportation Co., Inc., an Arizona corporation
2.	Swift Leasing Co., Inc., an Arizona corporation
3.	Common Market Distributing Co., Inc., an Arizona corporation
4.	Sparks Finance Co., Inc., a Nevada corporation
5.	Cooper Motor Lines, Inc., a South Carolina corporation
6.	Common Market Equipment Co., Inc., an Arizona corporation
7.	Swift Transportation Co. of Virginia, Inc., a Virginia corporation
8.	Swift of Texas Co., Inc., a Texas corporation
9.	Swift Logistics Co., Inc., an Arizona corporation
10.	Swift Transportation Corporation, a Nevada corporation
11.	Swift Receivables Corporation, a Delaware corporation
12.	Sun Merger, Inc., a Tennessee corporation
13.	M.S. Carriers, Inc., a Tennessee corporation
14.	M.S. Carriers Warehousing & Distribution, Inc., a Tennessee corporation
15.	M.S. Carriers Logistics de Mexico, S.A. de C.V., a Mexico corporation
16.	M.S. Air, Inc., a Tennessee corporation
17.	M.S. Global, Inc., a Nevada corporation
18.	M.S. International, Inc., a Nevada corporation
19.	Swift Transportation of Puerto Rico, Inc., a Puerto Rico corporation
20.	Quality Driver Sources Inc., a Tennessee corporation
21.	World Wide Solutions, Inc., a Puerto Rico corporation
22.	TransMex, Inc. S.A. de C.V., a Mexico corporation
23.	Mohave Transportation Captive Insurance Company, an Arizona corporation