Frasca Air Service
Frasca Air Service - Urbana, Illinois (61801)

Central Illinois Air Corp.
Central Illinois Air Corp. - Mattoon, Illinois (61920)

Pilot Services
Pilot Services - Taylorville, Illinois (62568)

Image Air
Image Air - Bloomington, Illinois (61704)

Mcclelland Aviation Company Inc.
Mcclelland Aviation Company Inc. - Springfield, Illinois (62707)

Capital Aircraft
Capital Aircraft - Springfield, Illinois (62702)

Mills Aviation, Inc.
Mills Aviation, Inc. - Terre Haute, Indiana (47803)

Terre Haute Air Center
Terre Haute Air Center - Terre Haute, Indiana (47803)

Bradley Flying Association
Bradley Flying Association - Greater Peoria Airport, Illinois (61607)

Legacy Aviation, Inc.
Legacy Aviation, Inc. - Peoria, Illinois (61614)

North Point Aviation
North Point Aviation - Peoria, Illinois (61615)

Lafayette Aviation, Inc.
Lafayette Aviation, Inc. - West Lafayette, Indiana (47906)

Lacon Aero Service Inc
Lacon Aero Service Inc - Lacon, Illinois (61540)

Airgo International
Airgo International - Centralia, Illinois (62801)

De Haan Aviation
De Haan Aviation - Renssalaer, Indiana (47978)

Cascio Aviation
Cascio Aviation - Troy, Illinois (62294)

Gutwein Aviation
Gutwein Aviation - Monon, Indiana (47959)

Langa Air Academy
Langa Air Academy - East Alton, Illinois (62024)

Dubois County Flight Service
Dubois County Flight Service - Huntingburg, Indiana (47546)

Anderson Flying Service
Anderson Flying Service - Kewanee, Illinois (61443)

Thunder Aviation
Thunder Aviation - Chesterfield, Missouri (63111)