A comprehensive list of private detectives and agencies offering professional investigation services in Holmen, WI. Read unbiased customer reviews and recommendations of local investigators. 
O'Brien & Associates is a full service, licensed, and insured private investigation and security agency founded in 1990 by Ed and Karin O'Brien. We have been involved in law enforcement for over 50 years. We currently employ 4 licensed investigators in the state of Wisconsin, with additional support staff, and have over 200 employees in all areas of investigations, security, loss prevention, and process
Tay Lutz — I really enjoyed working for this company. They have very flexible scheduling and were able to work with me on when I am