How Can I File A Complaint Against An Auto Insurance Company In Illinois? 
Yes you can , all you need to do is contact the state department of insurance -LRB- also known as the insurance commissioners office -RRB- . If you are an IL resident , you can file your complain with the IL department of insurance . If you are not an IL resident , you would generally file the complaint with your state 's department of insurance . If this is insurance you own , then the insurer is permitted to do business in your state and is bound by your state 's insurance laws , and your states department of insurance will help inforce the state 's laws . 