USA Truck, Inc.
Marten Transport Ltd.
Daseke, Inc.
Landstar System, Inc.
Werner Enterprises, Inc.
Heartland Express, Inc.
US Xpress Enterprises, Inc.
Covenant Transportation Group, Inc.
Daseke, Inc.
Universal Logistics Holdings, Inc.
YRC Worldwide, Inc.
ArcBest Corp.
Knight-Swift Transportation Holdings, Inc.
Saia, Inc.
P.A.M. Transportation Services, Inc.
XPO Logistics, Inc.
Patriot Transportation Holding, Inc.
J.B. Hunt Transport Services, Inc.
Schneider National, Inc.
Old Dominion Freight Line, Inc.
GFL Environmental, Inc.
TFI International, Inc.
