United Therapeutics Ddomal Building

1101 Spring Street, Silver Spring, MD 20910

UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE

Present in a source dataset, with no recent operating signal.

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What they make

Pharmaceutical Preparation Manufacturing325412

Products

Sold by UNITED THERAPEUTICS CORP · 6

Dinutuximab · Drugs And Biologicals · Medical And Surgical Instruments, Equipment, And Supplies · Tadalafil · Treprostinil · Water

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

4 from FDA drug listing · Federal registry

FDA drug listing, labeler United Therapeutics Corporation, NDC 66302-206. A labeler markets the product; it may not manufacture it.

2 from usaspending_psc · Federal registry

Supplied under federal award 36C24122N0162 (2021-12-07), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

38.99974, -77.02806 · CENSUS TIGER

COUNTY

Montgomery County

METRO AREA

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

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STREET VIEW

Open street-level view — DEC 2024

Other plants nearby

Facility	City	Industry	Status	Distance
United Therapeutics CORP	Silver Spring	Pharmaceutical Preparation Manufacturing 325412	ACTIVE	0.2 KM
Valneva Usa, INC.	Bethesda	Pharmaceutical Preparation Manufacturing 325412	ACTIVE	5.8 KM
Znet Tech LLC	Bethesda	Electronic Computer Manufacturing 334111	ACTIVE	6.1 KM
Plant Cell Technology INC	Washington	Biological Product (except Diagnostic) Manufacturing 325414	ACTIVE	9.9 KM
60 Degrees Pharmaceuticals, INC.	Washington	Pharmaceutical Preparation Manufacturing 325412	ACTIVE	10.8 KM

Every listed plant in Montgomery County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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 BR, RCRAINFO · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110070516048 · first seen FEB 2019 · last seen FEB 2019

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: EPA: UNITED THERAPEUTICS DDOMAL BUILDING · OCT 2026
Street address: EPA: 1101 SPRING STREET · OCT 2026
City: EPA: SILVER SPRING · OCT 2026
State: EPA: MD · OCT 2026
County (FIPS code): EPA: 24031 · OCT 2026
Coordinates: EPA: 38.99974,-77.02806 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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