We've reported a number of times before on Acquia, which offers a commercially supported version of the open source Drupal content management system. OStatic runs on Drupal, and Drupal version 6 is expected to soon run over 240,000 web sites, with many large media companies switching to it.
In a post just yesterday, we discussed the proven business model of support and services for open source software that Red Hat has built, and how Acquia, Cloudera, Eucalyptus Systems, and other commercial open source companies are pursuing the same model. Until now, though, even though the company has gotten healthy venture capital funding, it hasn't been easy to tell how privately held Acquia is doing. Here are some new details.