Semantic Web Companies In Boston

As my interest in web 3.0 grows I thought I'd create a list of semantic web companies in the Boston area.

Affiliate Media Network, Inc. Colin Britton

Cambridge Semantics Inc. Sean Martin, Founder, President, and CTO

ClearForest

Clinical Semantics Group

Echo Nest

Information Extraction Systems, Inc Win Carus, Founder and President

Invention Engine

Jarg Corporation  Michael Belanger President

Metatomix

OpenLink Software Kingsley Uyi Idehen