A. R. Audit Services, Inc. 3921 Lockport St Bismarck, ND 58503-5541 A. R. Audit Services, Inc. A. R. Audit Services, Inc. is an North Dakota collection agency. North Dakota collection agencies can help businesses, medical practices and facilities that are creditors to collect their accounts receivable. Debt collection help might include; collection demand letters, debt … [Read more...]