FactoryRegistry
Claim a page

Arroyo Instruments, LLC

1201 Prospect St, San Luis Obispo, CA 93401

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 2 SOURCES

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

Visit websiteDirectionsGo to companyClaim this pageGet the badge
Homepage of Arroyo Instruments, LLC
Their homepage, crawled JUL 2026

What they make

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515

Arroyo Instruments manufactures laser diode drivers, temperature controllers, laser+TEC controllers, laser mounts, and multi-channel controllers for laser, LED, and thermal applications. The company's laser drivers provide control of optical output with safety features and range from 100 mA to 100 Amps, while its temperature controllers deliver temperature stability and measurement accuracy. The company has been operating since 2003.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

35.23611, -120.62940 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Redwire Defense Tech Operations, LLCSan Luis ObispoAircraft Manufacturing
336411
ACTIVE0.9 KM
Ca124 Crystal EngineeringSan Luis ObispoInstrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334515
LIKELY ACTIVE1.5 KM
Crystal Engineering CORPSan Luis ObispoInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334513
ACTIVE1.6 KM
Msi - Mid State Instruments LLCSan Luis ObispoInstruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
334513
LIKELY ACTIVE3.9 KM
Trust Automation INCSan Luis ObispoOther Measuring and Controlling Device Manufacturing
334519
ACTIVE4.2 KM

Every listed plant in San Luis Obispo County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 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.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGOCT 2025OCT 2025
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVOCT 2025
CAGE CODESAM GOVOCT 2025
CITYSAM GOVOCT 2025
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVOCT 2025
REGISTRATION EXPIRATIONSAM GOVOCT 2025
STATESAM GOVOCT 2025
WEBSITESAM GOVOCT 2025

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

Report a correction · Request removal