https://groups.drupal.org/node/465588
List of service providers who keep Drupal sites up to date | Drupal Groups
list of service providersup to date
https://hurstassociates.blogspot.com/2008/01/tasis-list-of-digitization-service.html
Digitization 101: TASI's list of digitization service providers (and links to other advice)
TASI is located in the UK and according to the site : TASI contacted a number of digitisation service providers for more information about ...
list of service providers