There are plenty of places that you can get sticks custom made
Or sometimes you just have to compromise
Regal Tip has them. I use them once in a while
They are Regal Tip 7A E. From their web page
Vic Firth have the SD7 Whacker, it's a 7A size maple stick with a nylon tip.
http://www.vicfirth.com/products/americancustom.php