contextics 

Information Retrieval, Artificial Intelligence, Integrated Optimization and Scientific Marketing

Looks like a good source for tech info on LSI/SVD applied to text.

sitemaps.org

Via SearchEngineWatch. A nice standardization effort between Google, Yahoo, Microsoft and Ask.

Become.com

H5 Technologies

Non-web text mining company.

Wink

Vertical Search, focussed on People.

Information Retrieval Wiki

icTV

A TV for the web platform. Similar to Joost?

Inrix

Very cool Microsoft spinoff, specializing in traffic speed/routing, based on machine learning from multiple sources of data.

Searchme, Inc. - A Vertical Search Company

Very promising disambiguation search engine.

LinkedIn: Home

Linked In, Friendster for Geek Professionals.