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Materials Development Corporation

21541 Nordhoff St, Ste B, Chatsworth, CA 91311

LIKELY ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515

Materials Development Corporation designs, develops, and manufactures measurement equipment for the semiconductor industry, including capacitance and current meters, probe stations (Mercury Probes, Hot Chuck Systems, and Cryogenic Probe Stations), and software systems. The equipment performs measurements such as Capacitance vs. Voltage, Conductance vs. Voltage, Current vs. Voltage, Gate Oxide Integrity, Doping Profiling, Interface Trap Density, Dielectric Constant, Solar Cell Tests, and Thin Film Transistor measurements, with measurement frequencies from 20 Hz to 10 MHz and bias voltages up to 1100 volts.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

34.23729, -118.60032 · CENSUS TIGER
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Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in CA-ENVIROVIEW, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGJUL 2025JUL 2025
EPA FRSEXISTENCEOCT 2015OCT 2015
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVJUL 2025
CAGE CODESAM GOVJUL 2025
CITYEPA FRSJUL 2026
CITYSAM GOVJUL 2025
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVJUL 2025
REGISTRATION EXPIRATIONSAM GOVJUL 2025
STATEEPA FRSJUL 2026
STATESAM GOVJUL 2025
WEBSITESAM GOVJUL 2025

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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