About Us If you’ve ever locked yourself out of your home, your business, or even your car, you know what a hassle it can be to find and wait for a reputable locksmith service. The experts at Dennis Lock & Safe in Russellville, AR, have provided speedy and affordable service since 1994, ensuring you can get back to your normal routine without too much inconvenience. For emergency opening services or to schedule an appointment, call (479) 890-5625. You can also visit them online for a full list of products and services.