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Otto Instrument Service, INC.

1441 Valencia Pl, Ontario, CA 91761

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 4 SOURCES

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

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Homepage of Otto Instrument Service, INC.
Their homepage, crawled AUG 2026

What they make

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334511

Otto 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

34.04802, -117.60956 · CENSUS TIGER
COUNTY
METRO AREA
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Every listed plant in San Bernardino County

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.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGFEB 2026FEB 2026
SBA LOANSEXISTENCEMAY 2020MAY 2020
EPA FRSEXISTENCEJAN 2019JAN 2019
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVFEB 2026
CAGE CODESAM GOVFEB 2026
CITYEPA FRSJUL 2026
CITYSAM GOVFEB 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVFEB 2026
REGISTRATION EXPIRATIONSAM GOVFEB 2026
SBA LOANSBA LOANSMAY 2020
STATEEPA FRSJUL 2026
STATESAM GOVFEB 2026
WEBSITESAM GOVFEB 2026

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

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