Company name: RedKnee
Where it's based: Toronto
When it was founded: 1999
What year it was a Fierce 15: 2006

Why it was a Fierce 15: Described as a provider of infrastructure that monetizes value-added and personalized services for mobile users, RedKnee sold solutions to 26 of the world's top-tier mobile operators, supporting 207 million subscribers. In 2006, it had a cumulative asset growth rate of 62 percent. Focusing on monetization and personalization to maximize subscriber revenue for carriers, RedKnee offered solutions like mobility profile and presence management for Cingular's customers and network provisioning for T-Mobile USA's subscribers, supporting voice, SMS, MMS and high-capacity content delivery. Click here for more.

What has happened since it was awarded the Fierce 15: RedKnee said its business continues to grow. The company said it now counts 70 clients in 50 countries, and is public on the Toronto stock exchange. The company said it remains focused on turnkey converged billing.