Colorado Serum Company

4950 York St, Denver, CO 80216

ACTIVELAST SEEN IN FEDERAL DATA APR 2026 · 3 SOURCES

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

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What they make

Biological Product (except Diagnostic) Manufacturing325414

Products

Sold by COLORADO SERUM COMPANY · 1

Drugs And Biologicals, Veterinary Use

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

1 from usaspending_psc · Federal registry

Supplied under federal award 12639524P0349 (2024-09-09), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

39.78627, -104.95920 · CENSUS TIGER

COUNTY

Denver County

METRO AREA

Denver-Aurora-Centennial, CO

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STREET VIEW

Open street-level view — MAY 2024

Other plants nearby

Facility	City	Industry	Status	Distance
Empire Pd1	Denver	Medicinal and Botanical Manufacturing 325411	UNVERIFIED	1.2 KM
Ks Jv LLC	Denver	Medicinal and Botanical Manufacturing 325411	UNVERIFIED	1.6 KM
Qci Labs	Commerce City	Medicinal and Botanical Manufacturing 325411	LIKELY ACTIVE	1.9 KM
Infuzionz LLC dba Nectar Bee	Denver	Medicinal and Botanical Manufacturing 325411	LIKELY ACTIVE	2.0 KM
Native Roots	Denver	Pharmaceutical Preparation Manufacturing 325412	REPORTED CLOSED	2.4 KM

Every listed plant in Denver County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 10 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 AIR, AIRS/AFS, BR, EIS, NCDB, RCRAINFO, TSCA · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record JZGMQU7NXDB7 · first seen APR 2026 · last seen APR 2026
OSHA injury and illness reportsOPERATING
Record 87717 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Record 110001744104 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASCOLORADO SERUM CO

IN DENVER COUNTY18 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 4 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.

NameSOURCES DISAGREE: EPA: COLORADO SERUM CO · JUL 2026; SAM.gov: COLORADO SERUM COMPANY · APR 2026 · ON THIS PAGE
Street addressSOURCES DISAGREE: EPA: 4950 YORK STREET · JUL 2026; SAM.gov: 4950 YORK ST · APR 2026 · ON THIS PAGE
City: EPA: DENVER · JUL 2026 · ON THIS PAGE; SAM.gov: DENVER · APR 2026 · ON THIS PAGE
State: EPA: CO · JUL 2026 · ON THIS PAGE; SAM.gov: CO · APR 2026 · ON THIS PAGE
County (FIPS code): EPA: 08031 · SEP 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 39.786268588575,-104.959200542742 · JUL 2026 · ON THIS PAGE; EPA: 39.78651,-104.95929 · JUL 2026
Employees (band): OSHA: 20-99 · DEC 2025
Website: SAM.gov: www.colorado-serum.com · APR 2026
CAGE code: SAM.gov: 63621 · APR 2026
SAM registration expires: SAM.gov: 2027-04-15 · APR 2026

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