steveb wrote:

http://www.tek-tanks.com/

Would probably be my choice.

Tek-Tank will make welded HDPE water and holding tanks but their line of
fuel tanks is very limited. Fuel tanks have to be cross linked
polyethylene and you can't weld XLPE. It has to be rotomolded so you
are stuck with the tooling cost.

--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
Shameless Commercial Division: http://www.spade-anchor-us.com