Hi Jeff:
Assuming these white oak trees have some merchantable log length to them, you shouldn't have too much of an issue getting a licensed timber buyer interested (white oak market is still really, really good). Timber buyers and loggers are not going to remove the stumps, so that would be considered a "tree service" or "contractor" job specification.
Your best option is to contact a professional consulting forester to assist you with the marketing and administration of your timber sale:
https://www.dnr.illinois.gov/conservation/Forestry/Documents/2016consultingforesters.pdf
Best of luck!