Northern Plains Investigative Services (NPIS) is a selective investigative and security consulting firm.  NPIS is a family owned and operated business, founded by a retired federal agent with decades of investigative experience.

 

NPIS first opened it's doors in 2015 to facilitate a specific court appointed independent investigative service for Minnehaha County. NPIS is headquartered in Sioux Falls, South Dakota, and is currently associated with several national security firms specializing in security contract work for the US Government.

 

NPIS specializes in security investigations for the US Government, as well as dedicated investigative and trial support to practicing attorneys throughout South Dakota, and the Great Plains area.

 

NPIS does not provide any services to private parties.  Requests for investigative assistance will only be considered from practicing attorneys, .  Initial