Below is a listing of Illinois Forestry Association members who offer custom sawmilling. Contact them for further information on their fees, services, capabilities, and hours. Some of these providers also offer other services, such as drying or planing or milling of lumber, as well as offering finished lumber and other wood products. Some of them may have provided additional information of those products and services in their member record which you can access by clicking on their name.
(The IFA offers this listing as a service and makes no claims as to the suitability or availability of these providers to your needs.)