SMP Security Services

SMP Security Services was founded in 1950 providing security services for the downtown Sioux Falls area. The business offered foot patrols, private investigation and night-watchman services. Through three generations of ownership, we have built our reputation on Midwestern family values and community involvement. SMP Security Services has maintained its success by providing professional and reliable security solutions. In fact, we have never missed day of service! We provide a wide range of security services you can trust and a plan customized to meet your unique needs.