LIRONne is a not a real Vocaloid-making company, however, they are a FANLOID making real community. LIRONne is currently made up of four people, an artist, a sound editor, and two people currently working on making mmd models of their Fanloids. LIRONne has so far been known to create seven fanloids *called Lironoids*, four of which already have demos out, and one of which is getting it's own animated pv. This is a great accomplishment considering LIRONne was only started two weeks ago. The LIRONne community is small, but dedicated, and is always open to new members.
You can reach their site at http://lironne.webs.com