Celtic House International
Investment focus: startup and fledgling companies in the information technology sector in Europe and North America
http://www.celtic-house.com/

Opticality Ventures LLC
Focus: invests in early stage software-based businesses.
http://www.opticality.com/

Orchid Holdings
Investment focus: early stage Internet software and service companies.
http://www.orchidholdings.com

Redpoint Ventures
Investment focus: first round for start-ups in Internet and broadband.
http://www.redpoint.com/

Tech Capital Partners
Investment focus: early-stage core technology companies located in and near Waterloo, Ontario, Canada.
http://www.techcapital.com

Techfarm Ventures
Provides private equity capital for early-stage technology companies.
http://www.techfarm.com/