If you need one or more other carriers in your colocation in addition to the uplinks from 23M, you will find a list of providers directly represented in the Telehouse here:
| BT | DE-CIX | KEVAG | 1&1 |
| Arelion (Telia) | euNetworks | KDDI | Vodafone |
| City of Frankfurt | GASLINE | RETN | Viatel |
| cloudKleyer | Entega Medianet | Plusline | VSEnet |
| Colt (Lumen) | Hessenkom | Telefonica | Witcom |
| Cogent | Meganet | Uvensys | |
| Deutsche Telekom | Interroute | Verizon |
Telehouse is also a DE-CIX site, which you can use to peer with all major cloud providers and many other networks.
In the PeeringDB you can find some other networks located at Telehouse which might be interesting for you to connect to.