A small correction to Dug's post: The "Signature" film is actually from Signature Color, which was a lab that did much the same thing that SFW did. I don't know if they're still in business, but I know that they stopped processing ECN-II film a few years ago, so even if they're still around they won't be much good to O.O.O. I believe SFW/Photoworks also no longer processes ECN-II film. (When both existed, either would process the other's ECN-II film.)
To answer O.O.O.'s question, there are a few places that will still process this film. One is Rocky Mountain Film Lab in Aurora, but they're expensive and they only do runs of ECN-II film every once in a while, so you could wait weeks or even months on the order. The last I heard, Dale Laboratories in Florida would also do ECN-II film, and at lower cost than Rocky Mountain Film Lab, but I haven't checked lately; call or e-mail them to be sure. It's been a while since I used them, but when I did they were a pretty good commercial photofinisher.