- Communication Management Svc
- Communication Management Svc
- Communication Network
- Communication Resources Inc
- Communication Solutions
- Communications By Design LLC
- Communications Connections
- Communications Contractors
- Communications Diversified Inc
- Communications Diversified Inc
- Communications Management
- Communications Resources LLC
- Communications Service Corp
- Communications Service Corp
- Communications Systems Of Iowa
- Communications Technology
- Communications Technology Sltn
- Communications Technology Sltn
- Communications Unlimited Inc
- Communications USA
- Communications World-Seattle
- Communications World-Seattle
- Commwest
- Commworld
- Commworld Of Kitsap County
- Commworld Of Treasure Valley
- Compass Wireless Marketing
- Compatibleland
- Complete Communications
- Complete Communications LLC
- Compliant Networks & PC
- Computel Communications System
- Computer-Telephone Technology
- Comstock Telcom
- Comtech Business Telephone
- Comtech Business Telephone
- Comtech Vipersat Networks Inc
- COMTEX Inc
- Comtronix
- Comverge Inc
- Conception Communications
- Conception Communications
- Concerts Global Networks
- Conley Equipment
- Conley Equipment
- Connect Communications
- Connectcomm
- Connectcomm
- Connected Technologies
- Connected Technologies
- Connected Technologies
- Connections
- Connectivity Solutions Inc
- Consolidated Business Products
- Consolidated Electrical Distr
- Consultcity International
- Consultel
- Continental Mobile Comms Inc
- Contract Fiber & Light Inc
- Contract Fiber & Light Inc
- Controlware Inc
- Convergence Group
- Convergent Communications
- Convergitec Communications Inc
- Converse Network Systems Inc
- Copia Communications
- Copper State Communications
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- Corporate Communications Inc
- Corporate Communications Inc
- Cortel Business Systems
- Cortel Communications
- Cottrell Communications Corp
- Country Appliance & Telephone
- Cousins Communications
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- Coyote Cabling LLC
- Coyote Communications
- Craft Communications Inc
- Cross Comm
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- Cross Telecom
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- Crown Castel USA
- Crown Network Systems
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- Ctci
- CTE
- CTEC
- CTI Communications
- CTI Communications LLC
- CTI Communications LLC
- CTI Group Inc
- CTI Telecom
- CTS Telecommunication
- Cullison Communications Inc
- Cummings Communications
- Cunningham Telephone
- Custom Communications Inc
- Custom Electronics
- Custom Headsets Inc
- Custom Switching Tech Inc
- Custom Telephone Svc
- CUTEPCS.COM
- CUTEPCS.COM
- CUTEPCS.COM
- Cyn-Tel Corp
- D & D Svc
- D & F Communications
- D & M Communications Inc
- D L Business Systems Inc
- D Platt Communications LLC
- D Tel Technologies
- D-Tel
- Dadco Data
- Dak Comm Solutions Inc
- Dakota Phones
- Darcomm Network Solutions
- Daryl's Phone & Data Svc
- Data Smart Computers Inc
- Data Tech
- Data Tech
- DATAMATION
- Datatel Communications
- Davies Technologies Inc
- Db Voice & Data Inc
- DBA Communications Systems
- DBA Communications Systems
- DBS Digital Business Systems
- DCR Communications Inc
- Deane Communications Inc
- Deane Communications Inc
- Dell-Comm Inc
- Dell-Comm Inc
- Delmarva Tele-Plus Inc
- Delta Telephone & Cabling Inc
- Deltronics
- Denver Telephone Co
- Denville Wiring Systems
- Desert Sound & Security
- Designed Telecommunications
- Dial Net
- Diamond Communications
- Dick Griffin & Co
- Digicom Inc
- Digicom Inc
- Digital Comfort
- Digital Communications
- Digital Lightware Inc
- Digital Sound Corp
- Digital Systems Inc
- Digital Telecom
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- Digital Voice & Data
- Digital Voice Network
- Digitel Corp
- Digitel Information Solutions
- Dimension Data
- Direct Connection
- Direct Line Telephone
- Ditech Communications Corp
- Diversified Communications
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- Diversified Networks
- Diversified Telecom Corp
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- DIVERSIFIED Telecommunications
- Dominion Voice & Data
- Don Richard Telephone & Alarm
- Doolittle Telephone
- Dorrian Communications
- Double Exposure Telecom
- Doyle Telecom
- DPS Inc
- Dragon-Tel
- Dreelin Cellular Systems Inc
- Drew Scott Telephone
- Driscoll Communications
- DSC Communications Corp
- Du Lac Communications
- Duke Communications Inc
- DVX
- Dynametric
- Dynamic Communications Inc
- Dynamic Communications Sw
- Dynamic Wave Telecom
- Dynamic Wave Telecom
- E On Communications Corp
- E Walker Communications Inc
- E-Talk Corp
- E-Tel Systems Corp
- Eagle Telecommunications Inc
- Eastel Corp
- Eastel Corp
- Eastern Datacomm Inc
- Easy Telecommunications
- Edge Solutions
- EKA Systems Inc
- Electronic Environments-Mt
- Elite Communications
- Elite Telecommunications Contr
- Emerald Systems LLC
- Emerald Systems LLC
- Emerald Technologies
- Emerson Energy
- Empire Technologies LLC
- En Genius
- En Genius
- Encouraging Times
- Energy Products
- Engineering Professional Svc
- Enhanced TELECOMMUNICATIONS
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- Enigmatic Systems Inc
- Entel Systems
- Entel Systems South
- Enterprise Network Svc
- Enterprise Visions
- Envision Telecom
- ERB Electric Co
- ESP Technologies
- ETELCOAGENTS.COM
- Eternity Wireless
- Ethertelecom
- Ethertronics Inc
- Evolve Technologies
- Evolving Solutions Inc
- Ex-Techs Inc
- Excel Systems Inc
- Executive Business Comm
- Executive Imaging Systems Inc
- Executive Office Svc
- Executone
- Executone Eastern Telecom
- Expanets Inc
- Expanets Inc
- Expertek Communications Svc
- EXPRESS Communications
- Extel Communications Inc
- Extreme Integration
- F M Security Alarm & Telephone
- Falcon Communications Solution
- Falls Phone Ctr
- Fast Digital
- Fasttone Inc
- Fax-Tel
- Fin Pro Tec Inc
- First Call
- First Call Communications
- First Call Communications
- First Call Communications Inc
- First Call Communications Inc
- First Electronic Svc
- Firstview Communications LLC
- Firstview Communications LLC
- Fisher Tele-Com Inc
- Five Star Telecom
- Five Star Telecom Inc
- Flag Telecom Network USA LTD
- Flexcom Inc Communication
- Foneman
- Fones West Digital Systems
- Fonix Corp
- Fortran Communication Systems
- Fountainhead Networks Inc
- Fox Telecommunications Inc
- Fran's Communications
- Frank's Fones
- Franklin Central Communication
- Fremont Communications Co
- Front Range Communications Inc
- FS3 Inc
- Future Connect LLC
- Futurewei Tech
- G J Telecom Svc
- G N Netcom Inc
- G W Telecom
- Gabriel Communications Sltns
- Galactic Communications Inc
- Garden State Telco
- Garrettcom Inc
- Gaynor Telesystems Inc
- Gazelle Communications Inc
- GBH Distributing
- Gecko Telecom
- General Data Comm Inc
- General Data Comm Inc
- General Data Comm Inc
- General Telcom Svc
- General Telecommunications
- General Telephone Svc
- Genesis Telephone Systems Inc
- Geo Communications
- Geo Communications
- Germer Cabling
- Global ADSI Solutions Inc