Does any of you know who built these two website?

[benative]

http://www.cgsociety.org
http://fxphd.com/

if you go to their forums, you will be able to tell right away that these are VBulletin forums. But, as you see VB forums here are beautifully integrated with their existing website. Does any of you can find out who built those two website above?
Please help~! Thanks~

[ProFifaLeagues]

This may help a little http://builtwith.com/
Also maybe the best way would be use the contact us and ask them direct for a link or the info of the Designer...