Tri-State Adjustments Freeport, Inc. 440 East Challenge Freeport, IL 61032-2540 Tri-State Adjustments Freeport, Inc. Tri-State Adjustments Freeport, Inc. is an Illinois collection agency. Illinois collection agencies can help businesses, medical practices and facilities that are creditors to collect their accounts receivable. Debt collection help might include; collection … [Read more...]