Data Centers in Illinois
- 1547 Critical Systems Realty
- 360TCS
- 365 Data Centers
- Aligned Data Centers
- Apotech Group
- Atlantic Metro Communications
- AT&T
- Breezehost.io
- Bytegrid
- CBTS LLC
- Centersquare
- Chirisa Technology Parks
- CloudHQ
- Cogent Communications
- Colocation America
- Colocrossing
- Coresite
- Cybernest
- CyrusOne
- DataBank
- DataBridge Sites
- Data Canopy
- DC Mining
- Digital Realty
- EdgeConnex
- Element Critical
- Enzu
- Equinix
- ExcalTech
- FDCservers.net
- First National Technology Solutions
- Hivelocity
- INAP
- Iron Mountian Data Centers
- iTel Networks Inc
- IT Solutions Group
- Latitude.sh
- Leaseweb
- Limestone Networks
- Lumen
- Megaport
- Meta
- Microsoft
- Mod Mission Critical
- Netrality Data Centers
- NTT Global Data Centers
- NYI
- OneSource Cloud Corp
- Oracle
- Pearl Technology
- Prime Data Centers
- Psychz Networks
- QTS Data Centers
- QuadraNet
- Quest Technology Management
- Rackspace
- SBA Edge
- Serverfarm
- Shift Hosting
- Skybox Data Centers
- Stack Infrastructure
- Stream Data Centers
- Summit
- Synoptek
- T5 Data Centers
- Telsta
- Tierpoint
- US Signal
- Vultr
- Xfernet
- Zayo
- Zenlayer