American School Bus Company
Orland Park/Frankfort

Alpha School Bus Company
Crestwood

Chicago Bus Sales, Inc.
Lansing

Chicago School Transit North
Skokie

Chicago School Transit South
South Chicago

Cook County School Bus
Arlington Heights

GPT
Lockport

Grand Prairie Transit
Willow Springs

Illinois School Bus
Crestwood

Kickert School Bus Line
Lynwood

Lakeside Transportation
Waukegan

North Shore Transit
Skokie

Richlee Vans
Aurora/Arlington Heights

Westway Coach
Villa Park