SPECIALIZING IN CUSTOM LEATHER WORK & LOCKSMITH SERVICES When it comes to keeping our homes protected, our lock and security system is what stands between us and the outside world. Whether you’re a residential or commercial property owner, re-keying, duplicate keys, automotive lockouts and more need to be handled by professionals. Big Sky Lock & Leather serving Missoula and the BitterRoot Valley areas specializes in all types of locksmith services and custom leather goods. Learn about our services below.