Start them up people, if you are a sponsor, or find a sponsor that you know who is of the same type to start one up and offer to moderate, just a couple of obvious suggestions, but be pro-active, unless your personality-types prevent you from being so!!:)
There wasn't an INFJ group when I went looking last year, so I just started one. It started off slowly, now there are 61 members! And it happened with no input from me as I was offline from Nov 2004 until a month ago. :)