Guess you are a NEWBIE.
At one time OD would not hire from any union company, they did not want that kind of attitude around. When coming from the outside they do an extensive background check (sometimes even hire before completely done, and let go in a couple of months).
When coming from another company they also watch and listen to insure you comply with the OD guide lines, not bring the things from company X. They groom you to the OD way.
Sorry but we are all NEWBIES at any new place we go to.
But there are towels around if you need one.