Yes, ADT Covers Oklahoma City Oklahoma! And SafeStreets USA, A Premier ADT Provider is the largest Authorized Seller for ADT Monitored Home Security Systems in the US. Helping to Keep Oklahoma City Oklahoma homeowners safe from criminals & natural disasters. At ADT, they understand that the most important service ADT can offer to you is to help protect your home & family. To ADT, this means more than just installing a home security system in your Oklahoma City Oklahoma home.