About Us The Lock Pro, LLC is a locally trusted 24-hour locksmith for Ann Arbor, Belleville, Detroit, & surrounding areas. We provide locksmith services for commercial and residential locations along with automotive lockouts. Whether you're locked out of your office, home, or safe, we can help. Our professional locksmith services are guaranteed with affordable pricing. As a mobile locksmith, we are conveniently available 24 hours a day with a response time of 30 minutes. We also service security cameras and access control systems. Call us today for any lockout or a FREE quote!