A & B Lock & Safe Co… Serving the Lehigh Valley for over 75 years. Family owned and operated, we are your key and lock experts, and as one of the oldest locksmith companies in our area, our staff is knowledgeable in numerous aspects of the industry. We specialize in residential, commercial and industrial safes, including sales, repair services, setup and installation. We can also help with combination changes, safecracking, gun and record safes, key duplication and more. Stop on in or give us a call today.