Ill. Admin. Code tit. 44, § 40.410
d) The list of certified businesses shall be available to the public. This list and other information shall be provided electronically via the CMS website (http://www2.illinois.gov/cms/business/).
(Recodified from Section 20.410 of 44 Ill. Adm. Code 20 (Central Management Services) pursuant to Section 45-57 of the Illinois Procurement Code [30 ILCS 500/45-57], at 47 Ill. Reg. 12484)