Coriant Formerly Tellabs Operations

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Advantage Optics INC	Naperville	Other Communications Equipment Manufacturing 334290	◐ LIKELY ACTIVE	1.2 KM
PIPritel INC	Naperville	Other Communications Equipment Manufacturing 334290	▲ REPORTED CLOSED	3.2 KM
WIWestell Inc Aurora	Aurora,	Telephone Apparatus Manufacturing 334210	◐ LIKELY ACTIVE	4.4 KM
WIWestell Inc Aurora	Aurora	Telephone Apparatus Manufacturing 334210	◐ LIKELY ACTIVE	4.4 KM
Sonova USA INC	Aurora	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	● ACTIVE	4.4 KM

Every listed plant in DuPage County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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 ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110017221246 · first seen JUN 2017 · last seen JUN 2017

IN DUPAGE COUNTY17 other plants share this one’s industry (Communications Equipment Manufacturing, NAICS 3342); 6 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: CORIANT FORMERLY TELLABS OPERATIONS · OCT 2026

Street address

EPA: 1415 W DIEHL RD · OCT 2026

City

EPA: NAPERVILLE · OCT 2026

State

EPA: IL · OCT 2026

County (FIPS code)

EPA: 17043 · OCT 2026

Coordinates

EPA: 41.803276,-88.19062 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026