Manufacturing of external modems for POTS, ISDN, DSL, PSTN
221 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Kec Acquisition Sub INC | Bensenville | IL | — | UNVERIFIED |
| La Grou Distribution System | West Chicago | IL | — | UNVERIFIED |
| Lineage Power | Mesquite | TX | — | UNVERIFIED |
| Mobile Outfitters, LLC | Philadelphia | PA | — | UNVERIFIED |
| Motorola Solutions INC | Schaumburg | IL | — | UNVERIFIED |
| Msl Midwest Operations | Mount Prospect | IL | — | UNVERIFIED |
| Nightwing | Sterling | VA | — | UNVERIFIED |
| Nokia of America Corporation | Highlands Ranch | CO | — | UNVERIFIED |
| Octel Communications | Milpitas | CA | — | UNVERIFIED |
| Office Building | Woburn | MA | — | UNVERIFIED |
| Pacific Bell Corporation | Milpitas | CA | — | UNVERIFIED |
| Pacific Bell Telephone CO Dba At&t | Woodland | CA | — | UNVERIFIED |
| Pulse Communications INC | Herndon | VA | — | UNVERIFIED |
| Pyramid Time Systems Holdings LLC | Meriden | CT | — | UNVERIFIED |
| Rajant Corporation | Malvern | PA | — | UNVERIFIED |
| Rcn Telecom Services INC | San Francisco | CA | — | UNVERIFIED |
| Royal Telecom Protection LLC | Bensenville | IL | — | UNVERIFIED |
| Rti Products | Niles | MI | — | UNVERIFIED |
| Sacramento Greater Urban League | Sacramento | CA | — | UNVERIFIED |
| Salem Technologies, INC. | Winston Salem | NC | — | UNVERIFIED |
| Seven Networks | San Carlos | CA | — | UNVERIFIED |
| Signalfire Telemetry Locke Dr | Marlborough | MA | — | UNVERIFIED |
| Southwestern Bell Telephone Company | Gladstone | MO | — | UNVERIFIED |
| System Engineering International, INC. | Frederick | MD | — | UNVERIFIED |
| Telephonix INC. | Pittsburgh | PA | — | UNVERIFIED |
FactoryRegistry lists 221 facilities whose primary industry classification is one of the 1 industry above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced external modems for POTS, ISDN, DSL, PSTN, in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.
The U.S. Census Bureau recorded this product line in 1 US manufacturing industry in the 2022 Economic Census, as the most specific line that industry reported, where 12 establishments reported producing it.
These are counts of establishments by industry: the Economic Census publishes them as industry totals and never as a list of plants.
NAPCS collection code 2011725009. Source for the product line, the establishment counts and the shares: U.S. Census Bureau, 2022 Economic Census (ECNNAPCSIND2022). Federal source data is public domain. Facility records are compiled separately by FactoryRegistry and carry their own sources.