- Elantic Networks Inc
- Electra Limited
- Electrical Sales Corp
- Electricians & Co Inc
- Electronic Data Systems
- ELECTRONIC Information Systems
- ELECTRONIC Information Systems
- Electronics Unlimited Inc
- Electroteks
- Elgia
- Eliclades Service Comm
- Elios Telecoms Inc
- Elite Business Svc
- Elite Communications
- Elite Contracting
- Elite Telecom
- Elite Telecom
- Elite Telecom Svc
- Elite Telecom Svc
- Elite Telecommunications Svc
- Elite Telecommunications Svc
- Elite Telecommunications Svc
- Ellington Telephone Co
- Elys Phone Cards
- Emanuel Audiovisual Facilities
- Emergency Telecommunications
- Emergent Net Solutions
- Emerging Enterprises
- Emerson Network Power
- Empire International
- Empire Telecommunications
- Empire Telecommunications Inc
- Encompass Telecommunications
- Encore Telecommunications Inc
- Endavo Media & Comms Inc
- Endinar Corp
- Enercom International
- Energy Savers Telecom
- Enet Cafe
- Engineering & Data Solutions
- Enhance & Expand
- Enhanced Information Svc
- Enhanced Power & Comms LTD
- Enhanced Tech Communications
- Enhanced Telecommunications
- Enhanced Voice Processing Inc
- Ens E-Key Network Solutions
- Entel Services
- Enterprise Communications
- Enterprise Communications
- Enterprise Network Svc
- Enterprise Network Svc
- Enterprise Network Svc
- Enterprise Solutions & Assoc
- Enterprise Solutions & Assoc
- Enterprise Telcom
- Enterprise Telecom Group
- Enterprise Telecom Solutions
- Enterprise Telecommunication
- Entertainment Communications
- Entouch Systems
- Entouch Systems
- Entouch Systems
- Entouch Systems
- Entrisphere Inc
- Envoy Limited Inc
- EPA Telecommunications
- Epygi Technologies LTD
- Equant
- Equant
- Equant
- Equant
- Equant
- Eric's Discount Telephone Svc
- Erin Lewis
- Erin Lewis
- Espire Communications
- Espire Communications
- Espirit Telecommunications
- Espirit Telecommunications
- Esprit Telecom LTD
- Esron Systems Inc
- Essential Eight Comm Inc
- Essential Eight Communications
- Estrella Telcom
- Esu Telecom
- Etherair Telecommunications
- Eubanks Telecom & Data
- Euro Telecom
- Euro Telecom
- Europe Telecom Group Inc
- Europe Telecom Group Inc
- Eurotel
- Eurotel
- Eurotel Communications Corp
- Evans Communications
- Evans Communications
- Evans Communications
- Eventis Telecom
- Everest Telecom LLC
- Evermore Group
- Eversole Telephone Systems
- Exacta Communications
- Excel Communications
- Excel Communications
- Excel Communications Distr
- Excel Independent Rprsntv Trng
- Excel IR
- Excel Nights Fort Worth
- Excel Nights Fort Worth
- Excel Telecom
- Excel Telecommunications
- Excel Telecommunications
- Excel Telecommunications
- Excel Telecommunications Inc
- Excell Golf Group Carolinas
- Excellent Choice Communication
- Exchange Connections Answering
- Excite Telecom
- Execu Tech Communications
- Execu-Phone
- Execu-Phone
- Executech Services
- Executive Business Systems
- Executive Phone Svc
- Executive Phone Svc
- Executive Phone Svc
- Executive Phone Svc
- Executive Phone Svc
- Executive Phone Svc
- Executive Phone Svc
- Executone
- Executone Of Central Louisiana
- Executone-Central Louisiana
- Exeter Assoc Inc
- EXI-Parson Telecom
- Expanets
- Expanets
- Expansion Telecom
- Expertech Network Installation
- Express Communication Inc
- Express Communications
- Express Line
- Express Phone Svc
- Express Telecom
- Express Telecom
- Express Telephone Svc
- Express Telephone Svc
- Extel Communications Inc
- Extel Enterprises Inc
- Extel Enterprises Inc
- Extra Tech Communications
- Extreme Voice & Data Comm
- Exxelot Corp
- Eye Telecom Inc
- Eyretel
- F & G Enterprises Inc
- F & R Telecomm Inc
- F & R Telecomm Inc
- F & R Telecommunication
- F & R Telecommunication
- F B Systems
- F J Telecommunications
- F R Communications
- Fair Point New England
- Fairchild Communications
- Fairpoint Communications
- Fairpoint New England
- Fairwood Co
- Falch Communication
- Falcon Telecommunication Inc
- Fame Telecom
- Faris Corp
- Faris Corp
- Farmers Mutual Telephone Co
- Farmers Mutual Telephone Co-Op
- Farrah Telecom
- Fast Call Telecom
- Fast Phones
- Fastex Enterprises
- Fastex Enterprises
- Faulkner Technical Reports Inc
- FBR Telecom Svc Inc
- Fcc Communications
- FCNP Svc
- FDR Telecom Svc Inc
- FDR Telecom Svc Inc
- FDV Communications Corp
- Federal Services Inc
- Federal Telecom Inc
- Federated Telephone Co-Op
- Federation Of Assoc Health
- Federation Of Assoc Health
- Fiber Light LLC
- Fiber Net Telecom Group Inc
- Fiber Net Telecom Inc
- Fiber Net Telecom Inc
- Fiber Network Engineering Co
- Fiber Tel
- Fiber Transmission Spec
- Fiberlessnet Inc
- Fiberlink
- Fibernet LLC
- Fibernet Telecom Group
- Fibernet Telecom Group
- Fibernet Telecom Group Inc
- Fiberserve
- Fibertell Inc
- Fibertower Corp
- Fibertower Corp
- Fidelity Sales & Marketing
- Fieldwrxs Telecom & Consulting
- Fieldwrxs Telecom & Consulting
- Fiesta Telecom & Variety Svc
- Fiiitsu America Disc & Tape
- Fina Telecommunications
- Fine Telecommunications
- Fine Telecommunications
- Fine-Line Communications
- Finest Communications - New
- Fireline Network Solutions
- First American Telecom
- First American Telecom
- First American Telecom
- First American Telecom Corp
- First American Telecom-Wlgrns
- First Avenue Networks
- First Com
- First Communications
- First Communications
- First Communtions
- First Communtions
- First Data Corp
- First Data Corp FDMS Tlcm
- First Digital Telecom
- First Impulse
- First Impulse
- First Point Telecom
- First Response Communication
- First Tele Voice
- First Tele Voice
- First Telecom Of Texas Inc
- Fishel Technologies
- Fitzgerald Assoc
- Five D's Communications Inc
- Five Star Tel Com
- FJC Svc Comm
- Flag Telecom Network USA
- Flag Telecom Network USA
- Flag Telecom USA LTD
- Flair Data Systems
- Flat Wire
- Flies Communications
- Flies Communications
- Florida Communications Cnsltnt
- Florida Public Telecom Assoc
- Florida Telecommunication Assn
- Flynn Cable Systems
- FM Teledata
- FMHC
- FMHC
- FMHC Corp
- Focal Communications
- Focal Communications
- Focal Communications
- Fogle Consulting
- Folkerson Communications
- Follow Telecommunications
- Fonality
- FONC
- FONC
- Fonet Global
- Fonetel Inc
- Fonetel Inc
- For Phones
- For Phones
- Forerunner Telecom Inc
- Fortress Telecom
- Fortune Telecom
- Fortune Telecommunication
- Forward Technology Group
- Foster Associates
- Foundation Telecommunications
- Four Way Communications Inc
- Fox Den Productions
- Frack Assoc
- France Telecom
- France Telecom
- France Telecom
- France Telecom Inc
- France Telecom North Amer Inc
- France Telecom North America
- France Telecom North America
- Frances Communication Instltn
- Frances Communication Instltn
- Frank Distribution
- Frank Lewis Communications
- Franklin Telecom LLC
- Fred The Phone Man
- Fred The Phoneman
