Who owns them
Developers rarely file under their own name, so this list is split by what backs it. 11.9% of campuses are traced to a company through a document; most of the rest carry a name a public directory attributed and nobody verified.
Traced by a document
| Company | Traced | Also listed | States |
|---|---|---|---|
| Amazon (AWS) | 78 | 83 | 18 |
| Microsoft | 54 | 44 | 19 |
| 53 | 92 | 25 | |
| Meta | 29 | 52 | 25 |
| QTS | 28 | 35 | 15 |
| Equinix | 28 | 18 | 11 |
| Digital Realty | 19 | 44 | 15 |
| Aligned Data Centers | 18 | 9 | 10 |
| NTT Data | 15 | 3 | 8 |
| CyrusOne | 14 | 18 | 12 |
| Vantage Data Centers | 14 | 11 | 8 |
| Lumen Technologies | 10 | 46 | 26 |
| CoreSite | 10 | 10 | 9 |
| EdgeConneX | 9 | 9 | 10 |
| CenterSquare | 8 | 22 | 14 |
| DataBank | 8 | 11 | 11 |
| Flexential | 7 | 32 | 15 |
| Verizon | 7 | 11 | 15 |
| Compass Datacenters | 7 | 7 | 8 |
| Sabey Data Centers | 7 | 4 | 5 |
| IBM | 6 | 0 | 5 |
| TierPoint | 5 | 28 | 18 |
| H5 Data Centers | 5 | 13 | 15 |
| Oracle | 5 | 4 | 7 |
| Cologix | 4 | 7 | 7 |
| Switch | 4 | 7 | 3 |
| Iron Mountain | 4 | 4 | 5 |
| AT&T | 4 | 2 | 6 |
| Novva Data Centers | 4 | 2 | 4 |
| STACK Infrastructure | 3 | 15 | 7 |
| Crusoe | 3 | 8 | 5 |
| Core Scientific | 3 | 3 | 4 |
| Prime Data Centers | 2 | 27 | 14 |
| Apple | 2 | 9 | 5 |
| Edged Energy | 2 | 6 | 5 |
| Visa | 2 | 1 | 3 |
| Yahoo | 2 | 1 | 2 |
| CoreWeave | 1 | 8 | 7 |
| T5 Data Centers | 1 | 3 | 3 |
| eBay | 1 | 0 | 1 |
| Mastercard | 1 | 0 | 1 |
| Salesforce | 1 | 0 | 1 |
Named only by directories
For these, no filing we hold names the company. A public directory attributes the campuses to it. That is worth showing and it is not worth stating as fact, so the two lists are separate.