Meso Scale Diagnostics LLC

1601 Research Blvd, Rockville, MD 20850

ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

In-Vitro Diagnostic Substance Manufacturing325413

instruments
assays
MULTI
reproductive biology
ISO Certification

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

Products

Sold by MESO SCALE DIAGNOSTICS LLC · 8

Chemical Analysis Instruments · Chemicals · Drugs And Biologicals · Drugs And Biologicals, Veterinary Use · In Vitro Diagnostic Substances, Reagents, Test Kits And Sets · Laboratory Equipment And Supplies · Medical And Surgical Instruments, Equipment, And Supplies · Physical Properties Testing And Inspection

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

8 from usaspending_psc · Federal registry

Supplied under federal award HT942524F0271 (2024-09-09), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

CAREERS

Careers page — seen SEP 8, 2026

Where it is

39.09388, -77.17969 · CENSUS TIGER

COUNTY

Montgomery County

METRO AREA

Washington-Arlington-Alexandria, DC-VA-MD-WV

ON GOOGLE MAPS

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STREET VIEW

Open street-level view — SEP 2019

Other plants nearby

Facility	City	Industry	Status	Distance
Meso Scale Diagnostics, LLC	Rockville	In-Vitro Diagnostic Substance Manufacturing 325413	LIKELY ACTIVE	0.2 KM
On Demand Pharmaceuticals INC	Rockville	Pharmaceutical Preparation Manufacturing 325412	ACTIVE	0.3 KM
Rise Therapeutics LLC	Rockville	Pharmaceutical Preparation Manufacturing 325412	ACTIVE	0.3 KM
Cytotest INC.	Rockville	In-Vitro Diagnostic Substance Manufacturing 325413	ACTIVE	1.6 KM
Regenxbio, INC.	Rockville	Biological Product (except Diagnostic) Manufacturing 325414	UNVERIFIED	1.5 KM

Every listed plant in Montgomery County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Maryland Campus

Rockville, MD

LIKELY ACTIVE325413EMP 500+

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 SEP 2026
SAM.gov entity registrationOPERATING
Record MBWYUNWCFJ58 · first seen NOV 2025 · last seen NOV 2025

IN MONTGOMERY COUNTY53 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 11 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: MESO SCALE DIAGNOSTICS LLC · NOV 2025
Street address: SAM.gov: 1601 RESEARCH BLVD · NOV 2025
City: SAM.gov: ROCKVILLE · NOV 2025
State: SAM.gov: MD · NOV 2025
Coordinates: Census geocoder: 39.093882305944,-77.179689055811 · JUL 2026
Website: SAM.gov: http://www.mesoscale.com/ · NOV 2025
CAGE code: SAM.gov: 1ZHK4 · NOV 2025
SAM registration expires: SAM.gov: 2026-11-14 · NOV 2025

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