I haven't done any telephone shops for quite a while, so I don't have up to date info. Also, I'm in Canada.
It Seems Best Mark used to have a few. I just can't think of which other companies. I have seen some recently though.
None of the ones I did were regular. So it takes checking ALL the job boards to come across them.
When a flower doesn’t bloom, you fix the environment in which it grows, not the flower.
Alexander Den Heijer