Quaesta Instruments, LLC

1665 E 18th St Ste 207, Tucson, AZ 85719

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 2 SOURCES

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

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Their homepage, crawled AUG 2026

What they make

Other Measuring and Controlling Device Manufacturing334519

radiation detection
units
Neutron Pulse Monitor
Neutron Roving Unit
Gamma Spectrometer
MUND
neutron detection
monitoring

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

Products

Sold by QUAESTA INSTRUMENTS, LLC · 3

Chemical Analysis Instruments · Electrical And Electronic Assemblies, Boards, Cards, And Associated Hardware · Hazard-Detecting Instruments And Apparatus

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

3 from usaspending_psc · Federal registry

Supplied under federal award 140G0122P0180 (2022-06-01), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

32.21220, -110.94652 · CENSUS TIGER

COUNTY

Pima County

METRO AREA

Tucson, AZ

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STREET VIEW

Open street-level view — APR 2023

Other plants nearby

Facility	City	Industry	Status	Distance
Infrared Laboratories INC	Tucson	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	0.2 KM
Irlabs INC	Tucson	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	0.2 KM
Mission Instruments Corporation	Tucson	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	0.5 KM
Rpimaging, INC	Tucson	Support Activities for Printing 323120	ACTIVE	2.0 KM
Examinart, LLC	Tucson	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	2.8 KM

Every listed plant in Pima County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 8 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.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record MMZBQQU8TFN3 · first seen SEP 2025 · last seen AUG 2026

IN PIMA COUNTY37 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 10 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: SAM.gov: QUAESTA INSTRUMENTS, LLC · AUG 2026
Street address: SAM.gov: 1665 E 18TH ST STE 207 · AUG 2026
City: SAM.gov: TUCSON · AUG 2026
State: SAM.gov: AZ · AUG 2026
Coordinates: Census geocoder: 32.212204296461,-110.946517071206 · JUL 2026
Website: SAM.gov: http://www.quaestainstruments.com · AUG 2026
CAGE code: SAM.gov: 6ARQ2 · AUG 2026
SAM registration expires: SAM.gov: 2027-08-10 · AUG 2026

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