Tree Island Wire

• Plant closing notice effective JUN 15, 2023 · 22 employees · filed JAN 11, 2023 · Closure Permanent — this notice is why the plant is listed as reported closed
• Plant closing notice effective APR 28, 2023 · 5 employees · filed JAN 11, 2023 · Closure Permanent — this notice is why the plant is listed as reported closed
• Plant closing notice effective MAR 31, 2023 · 9 employees · filed JAN 11, 2023 · Closure Permanent — this notice is why the plant is listed as reported closed
• Plant closing notice effective MAR 13, 2023 · 12 employees · filed JAN 11, 2023 · Closure Permanent — this notice is why the plant is listed as reported closed

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
TWT.i. Wire	Etiwanda	Steel Wire Drawing 331222	◇ UNVERIFIED	0.0 KM
Hc Merchandisers, INC.	Ontario	Aircraft Manufacturing 336411	● ACTIVE	3.2 KM
Inland Machine Company INC.	Rancho Cucamonga	Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210	● ACTIVE	3.4 KM
CSCalifornia Steel Industries INC	Fontana	Iron and Steel Mills and Ferroalloy Manufacturing 331110	◐ LIKELY ACTIVE	3.9 KM
Pacific Corrugated Pipe Company LLC	Fontana	Plastics Pipe and Pipe Fitting Manufacturing 326122	● ACTIVE	4.6 KM

Every listed plant in San Bernardino County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold 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.

• State WARN plant-closing and layoff noticesCLOSURE
  first seen JUN 2023 · last seen JUN 2023
• EPA Facility Registry ServiceEXISTENCE
  Record 110070332453 · first seen SEP 2018 · last seen SEP 2018

IN SAN BERNARDINO COUNTY31 other plants share this one’s industry (Steel Product Manufacturing from Purchased Steel, NAICS 3312); 8 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: TREE ISLAND WIRE · OCT 2026

Street address

EPA: 12459 ARROW HWY · OCT 2026

City

EPA: RANCHO CUCAMONGA · OCT 2026

State

EPA: CA · OCT 2026

Coordinates

Census geocoder: 34.09899360206,-117.532448980945 · JUL 2026