
| Revenue | $10 - $100 million See Exact Annual Revenue |
|---|---|
| Employees | 10 - 100Exact Company Size |
| Primary Industry | 517 Telecommunications |
| Additional NAICS Codes | 33421 Telecommunication Equipment & Infrastructure Manufacturing |
| Address | P.o. Box 560 145 Dean Knauss Drive Narragansett, RI 02882 |
| Porta Phone | Revenue Est. ($ Million) | Growth Rate (%) | # Employees |
|---|---|---|---|
| 2025 | $10 - $100 million Details in Premium Report | ||
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| Porta Phone P&L | $ Millions |
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| Trademark | Date |
|---|---|
| COMSTAR Apparatus for transmission of communication; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Radio receivers and transmitters; Radio transmitters and receivers; Wireless transmitters and receivers | 09/29/2010 |
| PORTA PHONE system for establishing communication between the press box and the bench in football stadiums comprising head sets, interconnect cables, battery-operated power source, and wireless voice transceiver | 11/20/1995 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| AT & T | Dallas, TX | 100 |
| VERIZON COMMUNICATIONS | New York, NY | 57 |
| CCO HOLDINGS | Saint Louis, MO | 55 |
| T-MOBILE USA | Bellevue, WA | 46 |
| QUALCOMM | San Diego, CA | 38 |
| DIRECTV | El Segundo, CA | 34 |
| CENTURYLINK COMMUNICATIONS | Monroe, LA | 15 |
| NATIONAL TELECOMMUNICATIONS COOPERATIVE ASSOCIATION | Arlington, VA | 13 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| CYBER COMMUNICATIONS SOLUTIONS | Warwick, RI | 100 |
| TOWERSTREAM | Middletown, RI | 68 |
| NEW ENGLAND LINE NETWORK | Pawtucket, RI | 50 |
| PORTA PHONE | Narragansett, RI | 40 |
| C S & M TELE-SYSTEMS | Tiverton, RI | 9 |
| PACKETLOGIX | Barrington, RI | 5 |
| Company | Revenue ($ MM) |
|---|---|
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