I got a brocure a while back from this company when I wanted a new tank in my last TJ. Never did it but I kept the info. They are called AeroTanks and they make a 26 gallon replacement tank which uses the factory fuel sender. Here is the link if anyone is interested.
97-2003 Jeep Wrangler
26 Gallon Replacement
Stk # 1997W
$489.00 (Tank and all parts included. Skid plate also included.)
Tank Replaces OEM plastic tank.
Uses factory pump and sender.