Telephonix INC.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
QEQuintech Electronics and Communications, Inc	Pittsburgh	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	◐ LIKELY ACTIVE	3.3 KM
GDGeneral Dynamics Mission Systems, INC.	Pittsburgh	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	◐ LIKELY ACTIVE	3.9 KM
Digithead INC	Pittsburgh	Other Communication and Energy Wire Manufacturing 335929	● ACTIVE	4.6 KM
GGai-tronics	Pittsburg	Other Communications Equipment Manufacturing 334290	◐ LIKELY ACTIVE	13.2 KM
Hellbender INC	Pittsburgh	Electronic Computer Manufacturing 334111	● ACTIVE	13.6 KM

Every listed plant in Allegheny County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in OSHA-OIS.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070335304 · first seen SEP 2018 · last seen SEP 2018

IN ALLEGHENY COUNTY6 other plants share this one’s industry (Communications Equipment Manufacturing, NAICS 3342); 3 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: TELEPHONIX INC. · OCT 2026

Street address

EPA: 5250 LIBERTY AVENUE · OCT 2026

City

EPA: PITTSBURGH · OCT 2026

State

EPA: PA · OCT 2026

Coordinates

EPA: 40.457012,-79.940352 · OCT 2026