Three Mountain Services is a dedicated locksmith company based in Belle Fourche, South Dakota. They cater to commercial, residential, and automotive locksmith needs, offering a wide range of services, including 24/7 emergency lockouts for homes and vehicles. Passionate about serving their local community, their primary service areas include Belle Fourche, Spearfish, Sturgis, Deadwood, Lead, Hill City, Rapid City, Keystone, Mount Rushmore, Piedmont, Summerset, Blackhawk, and the surrounding regions of Western South Dakota.