Locksmithing Service You Can Trust! Keepsake Locksmithing has provided thousands of locks and lock/security systems of every make and grade conceivable to our Greenville locks & locksmiths clients. Moreover, our locksmiths treat our clients as valued business partners. That is, we treat all of our clients as equals and value their input so that the end result satisfies both parties. Not everyone needs the latest-and-greatest propriety technology to protect their bicycle or moped.