- Daves Merchandise
- Daves Merchandise
- David C Pigott
- David Frye Assoc
- Davis Co
- Davis Communications
- Davox Communication Corp
- Davox Communication Corp
- Davrick Distributors
- Dawn Telecommunications
- Dawson Telephone Svc
- Dawson's Telecommunications
- Dawson's Telecommunications
- Day Group
- Daycom Systems
- Daycom Telecommunications
- DBL Enterprises Inc
- DCC
- DCI Technology Corp
- DCJ Telecomm Inc
- DCJ Telecomm Inc
- Dcr Telecommunications LLC
- Dct Telecom Group
- DDJ Telecom
- DDT Telecommunications
- Deaf & Disabled
- Deaf & Disabled
- Deaton Communications
- Deats Inc
- Debit Technologies
- Debit Technologies
- Decisionism Inc
- Delavan Telephone Co
- Dell-Comm Inc
- Delta Com
- Delta Sound & Telephone
- Delta Telecom Inc
- Delta Telephone Co
- Delta-V Communication Inc
- Deltacom
- Deltacom Long Distance Systs
- Deltathree Inc
- Deluxe Telephone Svc
- Deluxe Telephone Svc
- Demarge Telecommunication Inc
- Denali Telecommunications Inc
- Dennison Technology Group
- Denver FDS
- Dependable Telecom
- Dependable Telecom
- Desert Telecom Inc
- Desert Wireless
- Desertcom
- Design Communications
- Design Systems
- Design Telecommunications Inc
- Designed Telecommunication
- Designed Traffic Installation
- Destiny 2000
- Destiny Communications
- Destiny Telecom
- Destiny Telecommunication
- Deutsche Telecom
- Deutsche Telecom
- Deutsche Telecom
- Deutsche Telekom
- Deutsche Telekom
- Deutsche Telekom Inc
- Deutsche Telekom Inc
- Deutsche Telekom Inc
- Developer Services
- Development Partners Inc
- Devolve Corp
- Dewey Hub
- Dex Media Inc
- DFC Telecom
- DFW Direct
- DFW Direct
- DFW Direct
- DFW Direct
- DFW Telecom Inc
- DGI Technologies Inc
- Dgm Visions Co
- Dhhs State Telecommunications
- DHS Assoc
- Dial Tone Plus
- Dialink
- Dialog Telecommunications
- Dialogic Corp
- Dialtel International LLC
- Dialtone Management
- Dialtone Management
- Dialtone Solutions
- Dialtone Solutions
- Dialtone Telecom
- Diamond Media
- Diamond Media
- Diamond Media
- Diamond Media
- Diamond Phone Card
- Diamond Telecom
- Diamondback International
- Dickey Rural Networks
- Dicomm
- Digex
- Digi-Tech Communications
- Diginet Plus
- Digital Business Telephone Inc
- Digital Communications
- Digital Concepts Telephone
- Digital Concepts Telephone
- Digital Connections
- Digital Consulting Inc
- Digital Networks
- Digital Phone USA
- Digital River Inc
- Digital Sail Of Marathon LLC
- Digital Telecom Access Control
- Digital Telecommunications Inc
- Digital Telecommunications Inc
- Digital Telefones Inc
- Digital Transport
- Digitel
- Digitel Corp
- Digitel Corp
- Diller Telephone Co
- Dillon Information Systems
- Dillon Telecommunications Inc
- Dillon Telecommunications Inc
- Dinan Inc
- Direct Connect Communications
- Direct Connect Inc
- Direct Connection
- Direct Line Telephone Co
- Direct Link Teledata Specialis
- Direct Response Communications
- Directechnologies LLC
- Directory Assitance Corp
- Discount Voicemail
- Discountcall.Com Inc
- Discounted Telecom
- Discover Telecom
- Discovery Tel
- DISNEY-Mgm Studios
- Distance Ed & Independnt Study
- Distinctive Communications
- Dittberner Associates Inc
- Dittcom Tech Inc
- Dittcom Tech Inc
- Ditto Communications Techs Inc
- Diversified Communications Inc
- Diversified Telcom Inc
- Diversified Telecommunications
- Diversified Telecommunications
- Divine Design
- Dixie Bytes
- Dlt Motive Power Inc
- DMC Telecom Sales Inc
- DMD Communications
- DMD Communications
- DMV Telecom
- Dobson Communications
- Doctor Phone
- Doherty Telecommunications
- Dominican Communications
- Dominion Telecom
- Dominion Telecom
- Dominion Telecom
- Dominion Telecom Inc
- Donk Cabling Inc
- Donovan Consulting
- Double Credit Corp
- Douglas Telcom
- Douglas Telcom
- Douglas Telecom
- Douglas Telecommunications
- Dove Communications Inc
- DOW Networks
- DPI Connect
- Dpi Teleconnect LLC
- DRC Direct Response Comm Inc
- DRC Direct Response Comm Inc
- Dreamers Network Inc
- Dreamers Network Inc
- Drewie Inc
- Driftwood
- Driskill Communications
- DRW Inc
- Dsl
- DSL Internet Corp
- Dst Corp
- DTC Communications
- DTI Svc Inc
- Duke Energy Telecom Div
- Dukes Communications
- Dun-Rite Communications
- Dunn Communications Svc Inc
- Dunn Communications Svc Inc
- Dunn's Communications Consult
- Dunnell Telephone Co
- Dupage Tel-Assist
- Dupage Tel-Assist
- Duthcess Telecom Ctr
- DVI Communications Inc
- DVS Network
- DVX Inc
- Dyna-Tech
- Dynamic Technology Interntl
- Dynasty Communications Inc
- Dynatech Communications Inc
- Dynatek Telecommunications
- Dynis Inc
- E & M Communications
- E 911 Data Base Svc
- E Allen Burks Acmi
- E C Hunter Assoc Inc
- E Comm Solutions LLC
- E F & I
- E F & I
- E F & I Svc
- E F & I Svc
- E J Deutscher
- E J Krause & Assoc
- E J Telecom
- E L Electronics
- E Machines
- E Machines
- E Spire Communications
- E Spire Communications
- E Technology Corp
- E Technology Corp
- E Test Communications
- E U Telecom Inc
- E Z Call
- E Z Connections
- E Z Phone Home Phone Svc
- E Z Phone Home Phone Svc
- E Z Telecom
- E Z Telecom
- E-Com Tel Inc
- E-Z Tel Inc
- EADS Telecom North America
- Eagle Communications
- Eagle Communications
- Eagle Network Svc Inc
- Eagle Telecom
- Eagle Telecommunications
- Eagle Telecommunications LLC
- Eagles Soar Communications
- Eaglevision Communications
- EAR Teleconsulting
- Early Warning Corp
- Early Warning Corp
- Earthcom Services
- Eason Co
- East Coast Telecom
- East Coast Telephones Inc
- East Est Telecom Inc
- East West Connections
- East West Telecom Inc
- Eastern Communications Network
- Eastern Long Island Telecom
- Eastern Telecom Of New York
- Eastern Telecom Svc
- Easton Telecom Svc Inc
- Eastwood Answering Svc
- Easy Tel
- Easycom Wireless
- Easyfinders Communications Inc
- Eatel Centrex SMB 887
- Eaton Corp
- EBS Econotel
- EBSCO Teleservices
- Echolink Telecom
- ECI-Vartec
- ECI-Vartec
- Eclipse Communications Inc
- ECO-Lcr
- Economy Communications Systems
- Econoteck Communications
- Econotel
- Ecostatic
- Ecuador Express
- Edgewood Universal Cabling
- EDP Environments Inc
- Eds Enterprises
- Eds Enterprises
- EDUCATIONAL TV Commission
- Edwards Telecommunications
- EEL Consulting
- Effective Teleservices
- EFI Svc
- EGC Inc
- EGC Inc
- Egghead Telecom Inc
- EIT Inc
- Elandia Solutions Inc
- Elantic Networks
- Elantic Networks
- Elantic Networks
