Independent Lock and Parts - Billings Locksmith br br A commercial and residential mobile locksmith in Billings, MT, with 24 hour emergency lockout service. The foundation of this locally owned business is integrity, reliability and customer satisfaction. Whether rekeying or installing door hardware, our work is guaranteed. br br Address: 1506 Rosebud Ln., Billings, MT 59101 br Phone: (406) 656-4111 br Email: doug@independentlockandparts.