| Nombre Compañía | Formato |
| Advanced Wireless Communications, Inc d/b/a AWC Telecom | JRT-CERT-0224 |
| All Communication Solutions, LLC | NET-CERT-0277 |
| AT&T of Puerto Rico, Inc. | JRT-CERT-0010 |
| Blackburn Technologies II, LLC | JRT-CERT-0267 |
| Cable & Wireless Puerto Rico, Inc. (Columbus Networks Puerto Rico, Inc.) | JRT-CERT-0241 |
| CenturyLink Communications, LLC | JRT-CERT-0074 |
| Cirion Technologies Solutions, LLC (antes CenturyLink Latin American Solutions, LLC) | JRT-CERT-0263 |
| Consolidated Telecom of Puerto Rico, LLC | JRT-CERT-0258 |
| Cortelco Systems Puerto Rico, Inc | JRT-CERT-0171 |
| Critical Hub Networks, Inc. | JRT-CERT-0243 |
| Crown Castle PR Solutions LLC | JRT-CERT-0261 |
| Data@ccess Communications, Inc | JRT-CERT-0221 |
| DM Wireless, LLC | NET-CERT-0271 |
| Global Tel*Link Corporation | JRT-CERT-0257 |
| GoDaddy.com, LLC | JRT-CERT-0264 |
| Granite Telecommunications, LLC | JRT-CERT-0262 |
| IDT America, Corp. | JRT-CERT-0119 |
| Inmate Calling Solutions, LLC | JRT-CERT-0266 |
| IP Solutions, Inc. | JRT-CERT-0239 |
| Kiwigs LLC | NET-CERT-0272 |
| Kode Services, LLC | NET-CERT-0273 |
| Liberty Communications of Puerto Rico, LLC | JRT-CERT-0247 |
| Liberty Mobile Puerto Rico, Inc | JRT-CERT-0008 |
| Livewire, Inc. | JRT-CERT-0236 |
| Lumen Technologies Puerto Rico, LLC | NET-CERT-0274 |
| Metropolitan Telecommunications of Puerto Rico, Inc. | JRT-CERT-0246 |
| Natural G.C., Inc.; Primus G.C. | JRT-CERT-0248 |
| Neptuno Media, Inc. | JRT-CERT-0255 |
| Network Communications International, Inc. | JRT-CERT-0143 |
| Neutral Tandem-Puerto Rico LLC | JRT-CERT-0232 |
| Optivon Telecommunications Services, Inc | JRT-CERT-0206 |
| Osnet Wireless Corp. | NET-CERT-0275 |
| Plintron Technologies USA, LLC | NET-CERT-0276 |
| PREPA Networks, LLC. | JRT-CERT-0242 |
| Primus G.C. | JRT-CERT-0248 |
| Puerto Rico Telephone Company, Inc. (PRTC) | JRT-CERT-0013 |
| QMC Telecom, LLC | JRT-CERT-0268 |
| RM Communications, Inc. | NET-CERT-0270 |
| San Juan Gas Acquisition Corporation, (SAC) | JRT-CERT-0226 |
| Securus Technologies, LLC | NET-CERT-0269 |
| Smartnet, LLC | NET-CERT-0278 |
| Sprint Communications Company, LP | JRT-CERT-0009 |
| Telefónica Global Solutions USA Incorporated | JRT-CERT-0108 |
| Telefónica Larga Distancia de Puerto Rico, Inc. | JRT-CERT-0017 |
| Telxius Cable Puerto Rico, Inc. (antesTI Wholesale Services PR, Inc.) | JRT-CERT-0260 |
| Value Added Communications, Inc. | JRT-CERT-0069 |
| Verizon Puerto Rico, LLC (antes MCI International, Inc.) | JRT-CERT-0011 |
| WorldNet Telecommunications, LLC | JRT-CERT-0021 |