| Alpha School Bus | 708-371-2986 | 708-371-3195 | 4702 Midlothian Tpke | Midlothian |
| American-Frankfort | 815-469-5196 | 815-469-5987 | 10101 West Laraway Rd. | Frankfort |
| American-Orland Park | 708-349-1866 | 708-349-9019 | 10000 W. 167th St. | Orland Park |
| Chicago Bus Sales | 708-568-2942 | | 20300 Torrence Avenue | Chicago Heights |
| Cook County School Bus | 847-439-0923 | 847-439-9739 | 1910 S. Busse Road | Arlington Heights |
| Grand Prairie – Elk Grove | 847-871-1799 | 847-871-1723 | 2101 E. Higgins Road | Elk Grove Village |
| Grand Prairie – Lockport | 815-838-1012 | 815-838-1092 | 18962 Airport Rd | Lockport |
| Grand Prairie – Willow Springs | 630-655-8739 | 630-655-1923 | 12049 West 91st Street | Willow Springs |
| Illinois School Bus | 708-389-4545 | 708-389-3996 | 13939 South Cicero Avenue | Crestwood |
| Kickert School Bus | 708-758-4740 | 708-757-6944 | 20575 Torrence Avenue | Lynwood |
| Lakeside Transportation | 847-263-7619 | 847-263-7616 | 2794 Northwestern | Waukegan |
| North Shore Transit | 847-677-9700 | 847-677-9716 | 3211 W. Howard Street | Skokie |
| Paige Bus Enterprises | 708-201-9900 | 708-201-7753 | 610 West 138th Street | Riverdale |
| RichLee Vans – Arlington Heights | 847-640-0320 | 847-640-0338 | 1910 S. Busse Road | Arlington Heights |
| RichLee Vans – Aurora | 847-640-0320 | 847-640-0338 | 1030 Rural Street | Aurora |
| RichLee Vans – Chicago Ridge | 708-425-3075 | 708-425-2970 | 9901 S Sayre Ave | Chicago Ridge |
| RichLee Vans – Villa Park | 630-279-0080 | 630-279-3858 | 100 East Hill Street | Villa Park |
| Westway Coach – Lemont | 630-737-0688 | 630-737-0689 | 12300 New Avenue | Lemont |
| Westway Coach – Villa Park | 630-279-2720 | 630-279-2766 | 100 East Hill Street | Villa Park |
