What would be the prospective customers for an active locksmith in Westchester County? Here are a few ideas. If you were a locksmith, you’d be glad to know that there are many reasons to be a local locksmith. There are a variety of people who may need locksmith services, but a good key starting point is to ask your friends and relatives. locks and keys. Many times, people do not realize that they need a locksmith services until a lock is broken key.