Back in 2012, there was a wave of mergers and acquisitions amongst Drupal agencies.

The most high-profile merger involved four different companies forming Wunderkraut who now have around 170 team members.

However, there was also the Phase2 and Treehouse partnership, plus the merger of DrupalConnect and NorthStudio in Canada. And, although they were smaller deals, Acquia also picked up Cyrve, Growing Venture Solutions, Drupal Scout and Mollom around the same time.

In 2012, acquisitions became so common that they became a community joke.

Fast forward to 2015, and we're seeing a second and much larger round of mergers and acquisitions: