About Us Pop-A-Lock Locksmith Green Bay locksmiths will arrive in full uniform and in legally marked vehicles. We offer: car door unlocking, broken key extraction, key making and duplicating, door locks repaired or replaced, high security keys, laser cut keys, repair or replacement of ignition cylinders, transponder keys, anti-theft system keys, motorcycle keys and locks, remote keys, keyless remotes, and factory keyless remotes, push button start or intelli-keys.