Not trying to be a smarta%^ here but I'm confused.
...wanting to get a barrel for my old Springfield action...
If you are looking for a new barrel chambered in 338/06 there are many barrel makers/suppliers out there. I believe there is even one that is a GB sponsor.
... if any of you knew of a person that could cut a 338/06 chamber for my action or a compamy that does this ?
If you are looking for someone to rebore/rerifle/rechamber your barrel there are those out there that do that as well. The late Dick Nickel out in Washington did my 338/06 - 03A1.
So, are you looking for a barrel maker to buy a 338/06 chambered barrel, or one to rebore/etc. your barrel to 338/06? or both? or are you having a problem finding a barrel maker that supplies that chambering?