HiYo,
If it was possible for you to
photo, or draw the extrusion you are seeking in cross section - it might help others give
advice on who could possibly supply it.
I doubt if Hoods made it themselves, and literally thousands of companies have designed extrusion dies. So with a relatively accurate spec just maybe someone can provide a true source of the aluminium extrusion you need, close to your location.
Cheers
JOHN