Mag Instrument INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Dh Caster International, INC.	Ontario	Hardware Manufacturing 332510	● ACTIVE	3.7 KM
Mindrum Precision INC.	Rancho Cucamonga	Glass Product Manufacturing Made of Purchased Glass 327215	● ACTIVE	4.4 KM
Turbotech Machining, LLC	Rancho Cucamonga	Machine Shops 332710	◐ LIKELY ACTIVE	5.7 KM
MCMmg CORP	Ontario	Machine Shops 332710	◐ LIKELY ACTIVE	5.1 KM
GMGme Manufacturing INC	Rancho Cucamonga	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	7.1 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

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, EIS · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071778548 · first seen OCT 2015 · last seen AUG 2024

IN SAN BERNARDINO COUNTY8 other plants share this one’s industry (Hardware Manufacturing, NAICS 3325); 2 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: MAG INSTRUMENT INC · OCT 2026

Street address

EPA: 1652 S SACRAMENTO AVE · OCT 2026

City

EPA: ONTARIO · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06071 · OCT 2026

Coordinates

Census geocoder: 34.044257502763,-117.613107206113 · SEP 2026 · ON THIS PAGE

EPA: 34.04398,-117.61315 · OCT 2026 · ON THIS PAGE