Otto Instrument Service, INC.

What they make

• components
• original equipment manufacturers
• repair management
• overhaul services
• aircraft operators
• military
• repairs

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

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
BAB 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
RCRaytheon Company	Ontario	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	▲ REPORTED CLOSED	1.5 KM

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 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record ZC5TFJAXVYE4 · first seen FEB 2026 · last seen OCT 2026
• SBA 7(a) and 504 loan recordsEXISTENCE
  first seen MAY 2020 · last seen MAY 2020
• EPA Facility Registry ServiceEXISTENCE
  Record 110070448975 · first seen JAN 2019 · last seen JAN 2019

IN SAN BERNARDINO COUNTY47 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 9 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: OTTO INSTRUMENT SERVICE INC · JUL 2026 · ON THIS PAGE

SAM.gov: OTTO INSTRUMENT SERVICE, INC. · ON THIS PAGE

Street address

EPA: 1441 VALENCIA PL · JUL 2026 · ON THIS PAGE

SAM.gov: 1441 VALENCIA PL · ON THIS PAGE

City

EPA: ONTARIO · JUL 2026 · ON THIS PAGE

SAM.gov: ONTARIO · ON THIS PAGE

State

EPA: CA · JUL 2026 · ON THIS PAGE

SAM.gov: CA · ON THIS PAGE

County (FIPS code)

EPA: 06071 · SEP 2026

Coordinates

EPA: 34.04802,-117.609556 · JUL 2026

Website

SAM.gov: www.ottoinstrument.com

CAGE code

SAM.gov: 9D113

SAM registration expires

SAM.gov: 2027-02-04

SBA loans

SBA: 504 loan x1, jobs 2.0 · MAY 2020