| Range (ACT) |
| Aerux Broadband |
| Allo Fiber |
| ATT |
| Blackfoot Communications |
| CenturyLink |
| Charter Communications |
| CloudFlare |
| Clearfly Communications |
| Cogent Communications |
| Collins Communications Inc. |
| Colorado Central Telecom |
| Colorado Communications Transport |
| Comcast Corporation |
| CoreSite |
| Dish Corporation |
| Education Networks of America (ENA) |
| Faction |
| Fastly |
| FastTrack Communications, Inc. |
| FiberX |
| Firstlink Technologies |
| Futurum Communications |
| GIGAMONSTER |
| Global Capacity |
| Great Plains Communications |
| Greenfly Networks Inc., a Nevada corporation |
| GTT |
| Hamilton Telecommunications |
| Handy Networks, LLC |
| Hibernia Atlantic U.S. LLC |
| High Country Internet, Inc |
| Hurricane Electric |
| InfoBunker |
| Integra |
| Intermedia |
| Internap |
| International Business Machines Corp. |
| IPC Network Services, Inc. |
| IPTP, LLC |
| IX-Denver |
| KSFiberNet |
| Kellin Communications |
| Layer42 |
| Level(3) Communications |
| Lightower Fiber Networks II, LLC |
| LR Communications |
| Mammoth Networks |
| Massive Networks |
| Megapath |
| Microsoft |
| MIDCO |
| OPTK Networks |
| Near North Partners, LLC |
| Network Billing Systems, LLC |
| Network Innovations |
| Onvoy |
| Peerless Network |
| QWK.net |
| Rockynet |
| Rsync.net |
| Rundberg, Inc. DBA Fire Tree Telephone Company |
| SECOM |
| Simple Signal |
| SKYBEAM |
| South Dakota Networks |
Sprint
|
| Syringa Networks |
| Tata Communications |
| TDS Telecom |
| Vonage |
| Arelion |
| Teliax |
| Time Warner Cable |
| UCAR/NCAR |
| Union Wireless |
| United Private Networks |
| USA Communications |
| Vast Broadband |
| Verizon |
| Verso Networks |
| Viaero Fiber Networks, LLC |
| Visionary |
| VistaBeam |
| Vitelity |
| Vubiquity |
| Whitesky Communications |
| Windstream |
| XO Communications |
| Zayo |
