Here is a list of stores from which my wife, who is 6'2", and myself, 7'2" and 325 lbs., have bought from. Maybe there are a store or two in this list you didn't know about yet.
Also buy extra long ties at longtiestore.com
I totally agree especially with Rochester B&T!
Although I'd like to add my favorite one: wwww.jonathoncharles.co.uk !
Let's make this list grow!
Thanks for all the resources...very helpful!
Here's a big n tall subscription option that might be worth a look... The Winston Box