Google benjiescaferacer He has some great looking tanks
caferacingparts (aka Glass From The Past) has some "universal" stuff- but CALL FIRST
Avoid UK based alloy tank makers like Unity Equipe and The Tank Shop. They both seem terribly inept and both have bad reviews (I found out later).
If you want aluminium and have lots of money, see if Evan Wilcox will do something for you.
