yes. yamaguchi offers the" aero "

http://www.yamaguchibike.com/...%20Price%20list.html

in true temper VELO tubing with an aero downtube and stays. certainly yamaguchi needs no introduction.

also, teesdale cycles offers aero steel frames with any columbus tubeset with a steel aero downtube as well as the VELO tubes from true temper

http://www.tetcycles.com/

mr teesdale has long built frames of world class quality for boutique level brands and others. most notably, he built the original steel gary fisher "procalibre's" back in the day - a bike that is Legend.