- A & B Communications
- A T & T Labs
- A T Brody & Assoc Inc
- A V Bus Communication Systems
- A-2 Telephone
- Aacom Inc
- AAT Communication Corp
- Abisola H Gallagher
- Access Medical LLC
- Access Sectel
- ACI Inc
- Acomm Inc
- ADC Technical Inc
- ADR Consultants
- ADR Consultants
- Advanced Telecom Solutions
- AJC Communications
- Ajuba International
- Ajuba International
- Albert Consulting
- All Business Solutions Inc
- Altair Communications
- Amber Communications Inc
- Ambient Corp
- American Communications Entre
- American Communications Intl
- American Lighthouse Comms
- Amicusa
- Anderson & Anderson Cnsltnts
- Anderson & Assoc
- Applied Integrated Technology
- Aries Communication Svc
- Armstrong Comm Inc
- Armstrong Comm Inc
- Arose Inc
- Artemis International Group
- Associate Technologies
- Associate Technologies
- Atlantic Networks Inc
- Attest Technologies
- Avatar Telecom Svc Inc
- Avaya Inc
- Aydin Corp
- Banador Information Systems
- Bandwidth Inc
- Basic Communications
- Battani Communications Inc
- Bennetrend's Consulting
- Bennetrends Consulting
- Best Line Inc
- Beyran Telecom
- Billo Communications Inc
- Biolade Technolgies
- Bishop Media
- Bizub Communication Inc
- Blue Dog Productions
- BMG Communications
- Bristol Capital Inc
- BRR Communications
- Bruce Feher
- Butte Enterprises Inc
- Buzz Communications
- C & K Enterprises
- C 3 Group Inc
- Cacomm Inc
- Caldwell Consultants
- Carsdeluxe Inc
- Cbi Telecommunication
- CBW Technologies
- CCG Facilities Intergration
- CCI Technologies
- Central Michigan University
- Century Tel
- Charles Technical Svc Inc
- Choice Telecommunications Inc
- Choice Telecommunications Inc
- Chuday Communications
- Cilutions
- Clayton Communication
- Clayton Communication
- CMC Telecom Inc
- CMC Telecom Inc
- Coastal Associates Management
- Cognyst Consulting LLC
- Cohesivenent
- Com Connect LLC
- Com-CONNECT LLC
- Com-Logic
- Comcast Spotlight
- Comchoice
- Communication Experts Inc
- Communication Network Engrs
- Communications Consulting Svc
- Communications Licensing Svc
- Communications Properties Inc
- Communications Resources Inc
- Communications Svc
- Competitive Telecom Solutions
- Compro Technologies Inc
- Comtrol Co
- Comworx Inc
- Concepts Inc
- Concepts To Operations
- Continetal Wireless
- Convergent Tecnology Partners
- Core Telecom Systems
- Corvus Inc
- Corvus Inc
- Creative Telecommunications
- Crossroads Newtorks Solutions
- Crowley Enterprises
- CSI
- CTC Communications Corp
- Customer Service Telecom
- Customer Service Telecom
- Dark Fiber Solutions
- Data-Rac
- Datakey
- David Chessler & Assoc
- DAX Technologies Corp
- Delphi Inc
- Delta Equipment Enterprises
- Desert Com
- Dietrich Lockard Group Inc
- Digi Tel Systems Inc
- Digital Pcs
- Digital Receiver Technology
- Directive Communications
- Divine Inc
- DMI Networks
- E C Eye Comm & Technology
- E Complish
- E Michael Eattock
- Eagle Rock Consulting
- Eastoak Associates
- EBIZ Inc
- ECI
- Edg Consulting Svc
- Edge Communications
- Elkins Management Group
- Els Consulting Svc
- ENABLX
- ENET
- Entone Technologies Inc
- Eranova Institute
- Espire Communications
- Excel Communications
- Excellence In Communication
- Expert Wireless Solutions Inc
- F G Communications LLC
- Fiber Group Inc
- Fishbuzz Bait & Tackle
- Fisher Information Network Inc
- Five Hills Co
- FMHC Telcom Group
- Fortune Consulting
- Freetech
- Frequentis USA Inc
- Frost Communications
- FWC Inc
- Gain Communications Inc
- Gales WEBB Productions
- Gallery Home Inc
- Get Telecom
- Gini Inc
- Glasgow Group Inc
- Global Network
- Global Network
- Global Satcom Technology Inc
- Global World Wireless Inc
- GMS Broadcasting
- GMS Broadcasting
- GNS Co
- GNS Co
- Goen Tech
- Golden Technologies
- Golden Technologies
- Great Lakes Comnet Inc
- Great Lakes Contractors
- Great Plains Communications
- Great Voice Co
- Greenlee Textron
- Greenstar Enterprises
- Hanks Associates
- Harvard Business Solutions
- Hastings Group
- Hawkins Communications
- Hershkowitz Associate Inc
- Hycom Services
- IAVO Research & Scientific
- IMG Inc
- Imminent Success
- Info Spherix Inc
- Information Management Consult
- Information Networking Assoc
- Information Strategies Group
- Insight Technology Solutions
- Insite Services Inc
- Integrated Communication Svc
- Integrated Communication Svc
- Integrity Office Group
- Intelenet Communications Group
- Invision Com Inc
- Invivo
- Invivo
- ISB Baltimore
- ISSS Inc
- ITT Federal Svc Corp
- Iwatsu America Inc
- J D Stiller
- J S Lee Assoc Inc
- J Tel Communications Inc
- Jmor Connection Inc
- Joe Giegerich
- Jon Price Inc
- JTN Svc Inc
- K Henry Assoc
- Keane Telecom Consulting LLC
- Keane Telecom Consulting LLC
- Kick-Off Sports
- Killian & Assoc
- L F Ferguson
- Lanwaves
- LCTM Industries Inc
- LCTM Industries Inc
- LDMI Product Development
- LDMI Product Development
- Leland-Harris Associates Inc
- Lentel Communications Inc
- Lentel Communications Inc
- Liberty Communications
- Linden Corp
- Line One Communication
- Lintel Industries Inc
- Lintel Industries Inc
- Linwood Communications Inc
- Locasto Telcom Group LLC
- LONGDISTANCEGUY.COM
- Louisiana Mobile Systems Inc
- LTC Consulting
- Lucas Comm Inc
- M S Cassidy & Assoc Inc
- Madera Communications
- Mass Strategic Communications
- Mattingly Properties
- Mc Leod USA
- MCI
- MCI
- MCI
- MCI
- Med-Pat
- Media Circuit
- Medialever
- Met Communications Inc
- Mfs Inc
- Mfs Inc
- MFS Intelenet Inc
- MFS Intelenet Inc
- MFS Intelenet Inc
- MFS Intelenet Inc
- MFS Intelenet Inc
- MFS Intelenet Inc
- Michael Raiser Assoc
- Michigan Consulting Assoc
- Michigan Consulting Assoc
- Micronet Communications Inc
- Micta Service Corp
- Mike Peterson Office
- Millennium Communications Grp
- Minerva Consulting
- Mission Networks
- Mitchell Schooley Consulting
- Mitchell Schooley Consulting
- Mitchell Schooley Telecom
- Mitel
- MJP Solutions
- Multas Enterprises Inc
- MVS-USA
- N Atas Telecommunication Mgmt
- N Atas Telecommunication Mgmt
- Namur Realty Inc
- Nelson's Engineering Svc Inc
- Net Plus Inc
- Net Versant-Las Vegas
- Netech Corp
- Network Communication Inc
- Network Engineering & Mngmt
- Network Partners Inc
- Newlook Co
- Nexus Is
- Nisco
- Novel Industries Inc
- Novel Industries Inc
- NSP Solutions
- Oliver Communications Group
- Omni Communications Inc
- One Source
- Openpath Products
- P F Network Svc
- Pachter & Assoc
