- Inside Line Communications
- Installation Technicians Inc
- Institutional Network Comm
- Intech Systems
- Intecom Inc
- Intecom Inc
- Integity Telecommunications
- Integrated Communication Corp
- Integrated Communications Svc
- Integrated Voice Technologies
- Intellisys Communications
- Inter-Tel Technologies Inc
- Inter-Tel Technologies Inc
- Interconnect Solutions
- Interconnect Solutions
- International Connectors Corp
- Interstate Power Care
- Interstate Telecommunications
- Intouch Telecommunications
- Ironwood Communications
- Ishtel Telephone Solutions
- Iternational Telnet Inc
- ITI Installations Technician
- ITS Equipment & Leasing Corp
- ITS Inc
- J & J Telecommunications
- J & K Communications
- J & K Communications
- J & L Inc
- J A Patenaude Co
- J C Airtouch Telecommunication
- J C Business & Svc
- J C Industries LLC
- J G Comm Inc
- J James Communication Svc
- J T Specialty Systems Inc
- Jack Man
- Jack Tel Communications Svc
- Jack's Telephone Svc
- Jaffa Communications
- Jaffa Communications
- James Communications
- James Mitts
- Jansson's Telephone Svc
- JBL Business Communications
- JBL Business Communications
- Jemcom
- Jeston Communications
- Jett Communications
- Jett Communications
- Jictel Network Svc Co
- Jitney Co Inc
- Jlatorre Inc
- JMS Power Line Construction
- John Cook Co LLC
- John Staurulakis Inc
- Johns Telephone Installation
- Johnson Electric
- Joulenet Inc
- Joy Communications
- K M Contracting Inc
- K-Jay Technical Svc Co
- K-Jay Technical Svc Co
- Kable Link Communications
- KAS Communication
- Keating Communications
- Kellatronics Telephone Systems
- Kelle Communications Group Inc
- Kelso Communications
- Ken Hillman
- Kendall Tele-Com Inc
- Kenneth G Myers Construction
- Kerrigan & Assoc
- Kevin E Wall & Assocs
- Kevin E Wall & Assocs
- Key Services
- Keytel Communications
- KGP Telecommunications Inc
- King Telephone Svc
- King's Telephone Systems
- KISSS Communications
- Klein Tel Communications
- KMC Telecom Holdings Inc
- KMM Telecommunications
- Konna Communications
- L & R Telecomputer Svc
- Lake Forest Starcom
- Lake Forest Starcom
- Lambert's Cable Splicing Co
- Lamtel Inc
- Landsman Telecommunications
- Lantech Communications
- Larry Marullo
- Larry's Support Svc
- Laub Business Communications
- Laub Business Communications
- Lazer Communications
- Lazer Telecommunications Inc
- Leach Communications
- Lee Communications Inc
- Leone Telecommunications Inc
- Lexent Services Inc
- Liberty Telecom
- Lighthouse Communications
- Lightwave LLC
- Lines Telecommunications
- Link Solutions LLC
- Linkus Enterprises
- Live Wire Communications
- Lo Volt Connections
- Lodex International Inc
- Long Distance Unlimited
- Lorna Communications Inc
- Lorna Communications Inc
- Los Angeles Telecom
- Los Angeles Telemedia Assoc
- Lost Enterprises Inc
- Lost Enterprises Inc
- Lynn Connelley Enterprises Inc
- Lynn Connelley Enterprises Inc
- M & A Enterprise
- M & M Telecommunication
- M B & E Telecommunications
- M C Communications
- M F Lightwave
- MAC Communications
- Madison Communications Inc
- Magnaphone
- Maier & Assoc
- Main Street Connections
- Main-Line Communications
- Maintel
- MAJ Telecom
- Man Tech Telcommunications
- Manatech Intl
- Manny The Telephone Man
- Marcom
- Marion Communications
- Markom Communication Svc Inc
- Marquez Cable Systems
- Martin Communications
- Martin Communications
- Mas Tec
- Mas Tec
- Mas Tec
- Mas Tec
- Mas Tec
- Mastec Broadband Div
- Mastech
- Mathematix Telecommunications
- Max Communications Inc
- Maxcom Communications Svc Inc
- Maxus Technologies USA Inc
- Maycomm Inc
- MCI
- MCI
- MCM Communications
- MCS
- MCS Of Tampa
- MCSC Telecom
- Merlin Telecom LLC
- Metro One Telecommunications
- Metro One Telecommunications
- Metro One Telecommunications
- Metro Phone Connectors
- Metro Telecom Wire & Cable
- Metrolink Phone Svc
- Metropolis Technologies Inc
- Mexitelecom
- MFF Global Network
- Mfs Communications Inc
- MFS Telecom
- Micom Telephone & Wiring
- Mid Valley Broadband
- Midwest Telecom Inc
- Miesner Inc
- Mike's Residential Phone Svc
- Milcom Systems Corp
- Milcom Systems Corp
- Milcom Systems Corp
- Millerco Inc
- Mills Communications
- Miramar Telephone
- Mitel Inc
- Mitel Telecommunications Systs
- MNM Group
- Modern Cable Technology
- Modern Telephone Sales & Svc
- Monkal Inc
- Montgomery Communications
- Morgan Technology
- Mountain Lakes Telephone
- Mountain Telephone
- MRD Communications Inc
- Multiphone
- Mycom North America Inc
- N C Communications Inc
- N-Tel Communications
- Nationwide Communications Svc
- Nationwide Telecommunications
- Nci
- NCS Inc
- Nelson's Engineering Svc
- Neris International Inc
- Nesbitt Communications
- Nesson Cable Engineering
- Net Clear Inc
- Net One Communications
- Net Services
- Net Systems Electric
- Netswitch
- Network Cabling Infrastructure
- Network Cabling Solutions
- Network Communication Tech Inc
- Network Communications Supply
- Network Communications Systems
- Network Telecom
- Network Telecommunications Inc
- Network Telephone Systems
- Network Voice & Data Tech
- Neuse Communications Svc
- New Connections
- New Wave Communications
- New York Teleconferencing Inc
- Newkirk Electric Assoc Inc
- Next Step Communications Inc
- Nextira One
- Noble Telecommunications
- Norman Telecommunication
- North Atlantic Marketing
- Northeast Tower Erectors
- Northeast Utility Contractors
- Northern Arc Communications
- Northern Line Builders Inc
- Northern Office Works
- Northern Telecom Inc
- Northstar Network Solutions
- NPP Inc
- Numillennium Telecommunication
- Nunez Telephone Svc
- Nytel Comm Inc
- O C Communication
- O C Communications
- O R Communications
- Oasys Communications Svc
- Oasys Communications Svc
- OBTS
- Oddville Communications Inc
- Office Automation Group Inc
- Ohana Telecom Construction Inc
- Ohana Telecom Construction Inc
- Omnipoint Communications
- Omtel
- On Line Communications
- On-Hold Marketing
- Onetone Telecom
- Optical Network Solutions
- Opticom Communications
- Orange Communications
- Orange County Business Telecom
- Orca Telecom Inc
- Orius Telecommunication Svc
- Orius Telecommunication Svc
- Other Phone Co Of Florin
- Ottotel Communications Svc
- Outsource Inc
- P C Telecom
- P Tel Tec
- Pa Bell Co
- Pac-West Telecomm Inc
- Pac-West Telecomm Inc
- Pacific Coast Telecom
- Pacific Coast Towers
- Pacific Phone Wiring
- Pacific Star Communications
- Paetec Communications Inc
- Palermo Group LLC
- PAR Phones
- Paradise Communications
- Paula Howser
- Pay-Tel Of America Inc
- PC Plus Innovations Inc
- PCH Telephone
- Personal Telephone Svc
- Phillips & Brooks-Gladwin
- Phone Co
- Phone Connection
- Phone Jack 411
- Phone Jacks
- Phone Jacks Etc
- Phone Jacks Installed
- Phone Man
- Phone Programs Inc
- Phone Smith
- Phoneline Com Inc
- Phoneman Telecommunications
- Phoneworks
- Pickey Enterprises
- Pinnacle Telecommunications
- Plot Communications Inc
