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Private Investigations
& Risk Management

EPI is a Sioux Falls, South Dakota-based private investigative and risk management agency serving all of South Dakota, Iowa and Eastern Wyoming.  

Private Investigator, Risk Manager, Business Investigations 

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Our Services

EPI is ready to serve your organization's investigative and risk management needs through a variety of services. 

Business Investigations

We provide a wide array of services to businesses of any size, including fraud and work comp investigations as well assistance with background research.

Covert Surveillance

From work comp, fraud, and family law, our surveillance operatives have years of experience and the latest surveillance equipment to collect the evidence you need.

Attorneys & Insurance Investigations

EPI works with insurance companies and attorneys to reduce the impact of fraud and provide important intelligence through surveillance and deep dive investigations. 

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Risk Management

EPI assists our clients with comprehensive workplace safety procedures, managing OSHA, investigating work comp and injury claims, and providing comprehensive safety training.

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Lie Detection

Our team is certified to administer the Converus EyeDetect lie detection system. EyeDetect uses innovative eye scanning technology that is superior to traditional polygraphs at a fraction of the price.  


EPI provides businesses and organizations with comprehensive training in Active Shooter Preparedness, De Escalating Violent Situations in the Workplace, and Risk Management.


“EPI has been a great resource for specialized training and development of our Security and Management support staff”

Scott R.

HR Director, Food Processing Company