Arroyo Instruments, LLC
1201 Prospect St, San Luis Obispo, CA 93401
Operating signal within 12 months from two or more independent sources.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515Arroyo 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
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Redwire Defense Tech Operations, LLC | San Luis Obispo | Aircraft Manufacturing 336411 | ACTIVE | 0.9 KM |
| Ca124 Crystal Engineering | San Luis Obispo | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | LIKELY ACTIVE | 1.5 KM |
| Crystal Engineering CORP | San Luis Obispo | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 1.6 KM |
| Msi - Mid State Instruments LLC | San Luis Obispo | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | LIKELY ACTIVE | 3.9 KM |
| Trust Automation INC | San Luis Obispo | Other Measuring and Controlling Device Manufacturing 334519 | ACTIVE | 4.2 KM |
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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | OCT 2025 |
| CAGE CODE | SAM GOV | OCT 2025 |
| CITY | SAM GOV | OCT 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | OCT 2025 |
| REGISTRATION EXPIRATION | SAM GOV | OCT 2025 |
| STATE | SAM GOV | OCT 2025 |
| WEBSITE | SAM GOV | OCT 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


