No results from a Google search of Britro Inc. or Britro West in Los Angeles.
I think this might be an offer "for sale" but the shipping from France would be another 500 Euros.
Thats short for Britannia Row. In between tours, Pink Floyd would rent out its audio and lighting systems and that production company became known as Britannia Row. They were very successful, eventually bought by Clair Brothers Audio.
