To see a Key producer in your fantasy recommends that there is something that you require open or reveal. You can't do everything independent from anyone else.

To see a key maker in your dream suggests that there is something that you need help to unlock or uncover. You cannot do everything by yourself.

To dream that you are making an extra key implies that there are a few ways to deal with tackle the same issue.

To dream that you are making a spare key means that there are several approaches to tackle the same problem.