 Crestlock.com is a local company specializing in access control, automatic doors, security cameras, and locksmith services. Crestlock.com has the tools and personnel to handle your projects. All Crestlock.com staff are required to have the Maryland Security Technician License. We have licensed master electricians and locksmiths. So stop by Crestlock.com at 10015 Pulaski Highway to see our state-of-the-art showroom and mobile showroom, or give us a call at 410-256-7800 to bring our showroom to your site.