4 organizations provide Drupal services and have requested to be listed here.

Vardot

56 people on Drupal.org
49 projects supported
36 issue credits in the last 90 days
Drupal Association Supporting Partner badge

Squircle IT

3 people on Drupal.org
7 projects supported
1 issue credit in the last 90 days

Sprintive

4 people on Drupal.org
7 projects supported