LIKELY ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES
Operating signal within 24 months, or from a single source.
Their homepage, crawled AUG 2026
What they make
Pharmaceutical Preparation Manufacturing325412Products
Sold by REGENERON PHARMACEUTICALS INC · 9
aflibercept · alirocumab · atoltivimab, maftivimab, and odesivimab-ebgn · cemiplimab-rwlc · Drugs And Biologicals · garetosmab-grts · lunsotogene parvec · lunsotogene parvec-cwha · PozelimabRecorded 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 FDA drug listing · Federal registry
FDA drug listing, labeler Regeneron Pharmaceuticals, Inc., NDC 61755-005. A labeler markets the product; it may not manufacture it.
1 from usaspending_psc · Federal registry
Supplied under federal award W15QKN21C0014 (2021-01-12), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.
Where it is
41.08020, -73.84415 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Siemens Healthcare Diagnostics INC. | Tarrytown | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 1.8 KM |
| Prestige Brands INC | Tarrytown | Pharmaceutical Preparation Manufacturing 325412 | LIKELY ACTIVE | 2.2 KM |
| Ascensia Diabetes Care | Valhalla | In-Vitro Diagnostic Substance Manufacturing 325413 | LIKELY ACTIVE | 5.9 KM |
| Professional Disposables International INC | Orangeburg | Soap and Other Detergent Manufacturing 325611 | ACTIVE | 8.8 KM |
| Instrumentation Laboratory (Werfen) | Orangeburg | In-Vitro Diagnostic Substance Manufacturing 325413 | ACTIVE | 9.1 KM |
Also at this address
No other federal record shares this street address.
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 websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord N3F9MH7E6HD6 · first seen OCT 2025 · last seen OCT 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 133444607|NY|10591|777 old saw mill river rd · first seen DEC 2024 · last seen DEC 2024
IN WESTCHESTER COUNTY9 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 2 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: REGENERON PHARMACEUTICALS INC · OCT 2025
- Street address
- SAM.gov: 777, OLD SAW MILL RIVER ROAD · OCT 2025
- City
- SAM.gov: TARRYTOWN · OCT 2025
- State
- SAM.gov: NY · OCT 2025
- Coordinates
- Census geocoder: 41.080202568333,-73.844149524698 · JUL 2026
- Employees (band)
- DOL: 500+ · DEC 2024
- Website
- SAM.gov: http://www.regeneron.com · OCT 2025
- CAGE code
- SAM.gov: 544P9 · OCT 2025
- Retirement plan filing (Form 5500)
- DOL: 11,960 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2026-10-16 · OCT 2025
- State business registrationSOURCES DISAGREE
- AK Corporations: Regeneron Pharmaceuticals, Inc., registered with the Alaska Division of Corporations, Business and Professional Licensing; Corporation formed in New York; registered 2015-03-30; active · MAR 2015
- CO SOS: Regeneron Pharmaceuticals, Inc., registered with the Colorado Secretary of State; Corporation formed in New York; registered 2011-09-15; active, annual report filed 2026-09-15 · SEP 2026
- CT SOTS: REGENERON PHARMACEUTICALS, INC., registered with the Connecticut Secretary of the State; Corporation formed in New York; registered 2011-11-21; active, annual report filed 2025-10-22 · OCT 2025
- DC Corporations: REGENERON PHARMACEUTICALS Inc., registered with the District of Columbia Corporations Division; Corporation; registered 2011-12-29; active, annual report filed 2026-04-13 · APR 2026
- Sunbiz: REGENERON PHARMACEUTICALS, INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in New York; registered 2011-09-07; active, annual report filed 2026-04-13 · APR 2026
- IA SOS: REGENERON PHARMACEUTICALS, INC., registered with the Iowa Secretary of State; registered 2011-09-28; active · SEP 2011
- MS SOS: Regeneron Pharmaceuticals, Inc., registered with the Mississippi Secretary of State; Corporation; registered 2011-10-20; active · OCT 2011
- OR SOS: REGENERON PHARMACEUTICALS, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in New York; registered 2011-09-02; active · SEP 2011
- TX Comptroller: REGENERON PHARMACEUTICALS, INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 2011-09-13; active · SEP 2011
- VA SCC: Regeneron Pharmaceuticals, Inc., registered with the Virginia State Corporation Commission; Corporation formed in New York; registered 2011-09-22; active · SEP 2011