Quantaq INC

444 Somerville Ave, Somerville, MA 02143

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

Analytical Laboratory Instrument Manufacturing334516

air quality sensors
integrated cloud platform
particles
gases
PM 1
PM 2.5
PM 10
NO 2
researchers
government

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

Products

Made or handled here · 4

modulair pm · modulair ufp · quantaq cloud · weather stations

Where these came from

4 from the company’s own website · Company website

url-slug on https://quant-aq.com/products/modulair-pm

CAREERS

Careers page — seen SEP 8, 2026

Where it is

42.38205, -71.10239 · CENSUS TIGER

COUNTY

Middlesex County

METRO AREA

Boston-Cambridge-Newton, MA-NH

ON GOOGLE MAPS

Open this address

STREET VIEW

Open street-level view — AUG 2024

Other plants nearby

Facility	City	Industry	Status	Distance
Kvd INC.	Somerville	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	0.3 KM
Lifecanvas Technologies INC	Cambridge	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	1.2 KM
Multisensor Scientific, INC	Cambridge	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	1.2 KM
Aquatic Laboratories, INC	Cambridge	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	1.9 KM
Emri Systems LLP	Cambridge	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	ACTIVE	1.9 KM

Every listed plant in Middlesex County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

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ACTIVE325199

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Somerville, MA

LIKELY ACTIVE334220

Blueshift Carbon, INC.

Somerville, MA

LIKELY ACTIVE331410

Where this record comes from

3 sources hold this plant, and 11 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 XKHSDMG9E8K7 · first seen JUN 2026 · last seen JUN 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 842021240|MA|02143|444 somerville ave · first seen DEC 2024 · last seen DEC 2024

IN MIDDLESEX COUNTY277 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 91 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: QUANTAQ INC · JUN 2026
Street address: SAM.gov: 444 SOMERVILLE AVE · JUN 2026
City: SAM.gov: SOMERVILLE · JUN 2026
State: SAM.gov: MA · JUN 2026
Coordinates: Census geocoder: 42.382049878704,-71.102386921715 · JUL 2026
Employees (band): DOL: 1-19 · DEC 2024
Website: SAM.gov: https://quant-aq.com · JUN 2026
CAGE code: SAM.gov: 8GNN9 · JUN 2026
Retirement plan filing (Form 5500): DOL: 5 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires: SAM.gov: 2027-06-03 · JUN 2026
State business registration: DC Corporations: QuantAQ Inc., registered with the District of Columbia Corporations Division; Corporation; registered 2024-08-14; revoked 2026-10-16 · OCT 2026

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