Exhibit No. 21

Subsidiaries of the Registrant

		State of Incorporation
Heartland Express, Inc.	Parent	NV
Heartland Express, Inc. of Iowa	Subsidiary	IA
Heartland Express Maintenance Services, Inc.	Subsidiary	NV
Heartland Express Services, Inc.	Subsidiary	NV
Midwest Holding Group, LLC	Subsidiary	WI
Millis Transfer, LLC	Subsidiary	WI