Red Obsidian Security is a veteran-owned security and locksmith company serving Sioux Falls, SD and surrounding communities including Brandon, Tea, Harrisburg, Hartford, Dell Rapids, Canton, Crooks, Baltic, Lennox, Worthing, Renner, Garretson, and Flandreau. Founded by a Marine Corps veteran, we bring military discipline to every job. Our emergency locksmith services cover homes, businesses, vehicles, and storage units. Security services include mobile patrol, stationary guards, parking lot patrol, construction site security, event security, and temporary assignments. We work with property managers, business owners, and event coordinators across the Sioux Empire. We also provide physical security penetration testing to identify facility vulnerabilities and create, review, and rewrite emergency action plans for businesses of all sizes. Licensed, insured, and ready to deploy.