County Sister Agencies Services Office of the Chief Procurement Officer County Sister Agencies Service Information Vendors interested in doing business with Cook County may also wish to explore procurement opportunities with other local government agencies in Cook County:Forest Preserve District of Cook CountyCook County Health and Hospital System (CCHHS)Cook County Land Bank Authority (CCLBA)Chicago Cook Workforce PartnershipHousing Authority of Cook County (HACC) Quick Links Agencies Office of the Chief Procurement Officer
