EPI’s mission is to provide our clients with exceptional investigative services that are tailored to their specific needs. We strive to exceed our clients’ expectations by delivering accurate and timely results while maintaining the highest level of professionalism and integrity.

We specialize in serving the area around eastern SD including: Sioux Falls, Aberdeen, Brookings, Watertown, Mitchell, Yankton, Huron, Vermillion, Brandon, Harrisburg, Tea, Madison, Dell Rapids, Millbank, Hartford, Canton, North Sioux City, Lennox, Sisseton, Flandreau,Volga, Elk Point, and Sioux City IA.

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