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Rki Instruments, INC.

33248 Central Ave, Union City, CA 94587

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Rki Instruments, INC.
Their homepage, crawled AUG 2026

What they make

Analytical Laboratory Instrument Manufacturing334516

RKI manufactures portable gas detectors and fixed systems detection equipment that measure LEL, PID, H2S, CO, and O2. The company serves the semiconductor, chemical plants, construction, fire and hazmat, oil and gas, utilities, and water and wastewater industries.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Made or handled here · 11
connected worker · Connected Worker Solution · gx 3r gas detector · gx 3r pro gas detector · GX-3R Pro Gas Detector with Wireless Communication · gx 6100 multigas detector · GX-6100 Multigas Detector · gx force portable 4 gas monitor · GX-Force Sample Draw Multi Gas Detector · ohc 800 explosion proof gas calorimeter · OHC-800 Explosion-Proof Gas Calorimeter
Where these came from
11 from the company’s own website · Company website
url-slug on https://www.rkiinstruments.com/product/connected-worker/

Where it is

37.59913, -122.03794 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

Other plants nearby

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Sepragen CORPUnion CityAnalytical Laboratory Instrument Manufacturing
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Accelerad Technologies, INC.HaywardIrradiation Apparatus Manufacturing
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Every listed plant in Alameda County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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-CERS, CA-ENVIROVIEW, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGAPR 2026APR 2026
EPA FRSEXISTENCEOCT 2015OCT 2015
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVAPR 2026
CAGE CODESAM GOVAPR 2026
CITYEPA FRSJUL 2026
CITYSAM GOVAPR 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVAPR 2026
REGISTRATION EXPIRATIONSAM GOVAPR 2026
STATEEPA FRSJUL 2026
STATESAM GOVAPR 2026
WEBSITESAM GOVAPR 2026
YEAR ESTABLISHEDSITE YEARAUG 2026

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

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