A comprehensive list of private detectives and agencies offering professional investigation services in North Dakota. Read unbiased customer reviews and recommendations of local investigators. 
Our experienced team of investigators serves our clients by applying their varied expertise to your investigative needs. Founder, W.T. "Bill" Butcher, a former FBI agent and longtime private investigator, established the business in 1982. Since his passing in 2019, long time investigator and son-in-law, Shadd Piehl, has led the organization.
Glenn Daigon — This company is amazing! On more than one occasion they have retrieved dozens of legal documents from North Dakota courthouses
We handle more of the major cases throughout the Upper Midwest than any other investigative firm. We handle everything from b ackground checks to complicated accident cases. We specialize in oilfield fatalities, fatal truck accidents, products liability claims, explosion cases and criminal defense.
Michael A. Deisz is the owner of Mid-State Claims Service, Inc. He is a licensed private investigator. Deisz has worked as a staff adjuster and independent adjuster since 1982. He has extensive experience with accident and fire investigations and has recently added aerial drone photography services to better service his clients.