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Dicon Fiberoptics, INC

1689 Regatta Blvd, Richmond, CA 94804

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 Dicon Fiberoptics, INC
Their homepage, crawled JUL 2026

What they make

Telephone Apparatus Manufacturing334210

DiCon Fiberoptics makes optical switching modules, attenuators, filters, amplifiers. the company also produces systems and components for photonic device test automation. It serves the networks, laser, space, communications, government, defense, and the Added to this, it provides solutions for AI data centers and quantum technologies. The company has been operating in California since 1986.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Made or handled here · 6
Components 1xN Switches · Components Attenuators · Components Matrix Switches · Components Tap Detectors · Components Thin Film Filters · Components Tunable Filters
Where these came from
6 from the company’s own website · Company website
url-slug on https://www.diconfiberoptics.com/products/Components-1xN-Switches.php
CAREERS
Careers page — seen SEP 8, 2026

Where it is

37.91737, -122.35317 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Every listed plant in Contra Costa 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 BR, CA-CERS, CA-ENVIROVIEW, EIS, HWTS-DATAMART, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGNOV 2025AUG 2026
EPA FRSEXISTENCEJUN 2017AUG 2024
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVAUG 2026
CAGE CODESAM GOVAUG 2026
CITYEPA FRSJUL 2026
CITYSAM GOVAUG 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVAUG 2026
REGISTRATION EXPIRATIONSAM GOVAUG 2026
STATEEPA FRSJUL 2026
STATESAM GOVAUG 2026
WEBSITESAM GOVAUG 2026

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

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