Otto Instrument Service, INC.
1441 Valencia Pl, Ontario, CA 91761
Operating signal within 12 months from two or more independent sources.
What they make
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334511Otto Instrument Service, Inc. provides maintenance, repair, and overhaul services for aircraft instruments and components to original equipment manufacturers, commercial air transport operators, cargo and freight operators, regional and corporate aircraft operators, and military and defense aircraft operators. The company offers MRO integrator services that include locating and qualifying repair suppliers, negotiating prices and turnaround times, and managing suppliers throughout the repair cycle. The text names Honeywell Licensed Repairs as a service offering.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Doble Engineering Company (Ontario, CA) | Ontario | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | LIKELY ACTIVE | 0.7 KM |
| B a E Systems | Ontario | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | UNVERIFIED | 1.0 KM |
| Mpm Products, INC | Ontario | Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing 325992 | ACTIVE | 1.0 KM |
| Lieder Development, INC. | Ontario | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 1.4 KM |
| Raytheon Company | Ontario | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | UNVERIFIED | 1.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 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 RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | FEB 2026 | FEB 2026 |
| SBA LOANS | EXISTENCE | MAY 2020 | MAY 2020 |
| EPA FRS | EXISTENCE | JAN 2019 | JAN 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | FEB 2026 |
| CAGE CODE | SAM GOV | FEB 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | FEB 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | FEB 2026 |
| REGISTRATION EXPIRATION | SAM GOV | FEB 2026 |
| SBA LOAN | SBA LOANS | MAY 2020 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | FEB 2026 |
| WEBSITE | SAM GOV | FEB 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


