More than 740 libraries around the world have chosen to include participation in Portico as one important component of their digital preservation strategy. Early participants are designated Archive Founders and are identified as such in the lists below.
| Libraries | Archive Founders |
|---|---|
| Dalhousie University | yes |
| Dartmouth College | yes |
| Davidson College | yes |
| Deakin University | yes |
| Democritus University of Thrace | yes |
| Drew University | yes |
| Dublin City University | yes |
| Duke University | yes |
| Durham University |