Neidhardt INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
ALArchitectural Lighting Works	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	▲ REPORTED CLOSED	0.1 KM
Brechtel Manufacturing, INC	Hayward	Analytical Laboratory Instrument Manufacturing 334516	● ACTIVE	0.9 KM
UCUnion City	Union City	Ready-Mix Concrete Manufacturing 327320	◐ LIKELY ACTIVE	1.7 KM
SISemano INC	Hayward	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◐ LIKELY ACTIVE	2.1 KM
Electrochem Solutions INC	Union City	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◇ UNVERIFIED	3.8 KM

Every listed plant in Alameda County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Where this record comes from

1 source holds this plant, and 6 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 CARB-TCH · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071758430 · first seen AUG 2024 · last seen AUG 2024

IN ALAMEDA COUNTY90 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 15 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: NEIDHARDT INC · OCT 2026

Street address

EPA: 28970 HOPKINS ST, BLDG A · OCT 2026

City

EPA: HAYWARD · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06001 · OCT 2026

Coordinates

Census geocoder: 37.617864627901,-122.077835381856 · JUL 2026