Quality Biological INC
At a glance
Employees20-99
In business since1983
HeadquartersGaithersburg, MD
US patents7
SAM.gov UEIV7ACWSNAL845
CAGE code0PXC7
Incorporated inMD
- cell culture media
- buffers
- reagents
- supplements
- Production
- stem cell research
- ultra-pure water
- formulations
- HEPES
- DPBS
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsWoman Owned BusinessWoman Owned Small Business
Self-certified by the company in its SAM.gov registration
Certifications
cGMPISO 9001
Patents
7 US patents granted 1994–2002, none of them in the five years to SEP 2025.
Biotechnology 6Measurement 1
- Method for repopulating human bone marrow comprising culturing CD34+ cells in a serum free mediumUS 6,372,210 · granted APR 16, 2002
- Method for repopulating human bone marrow comprising culturing CD34+ cells in a serum free mediumUS 6,224,860 · granted MAY 1, 2001
- Method for culturing CD34.sup.+ cells in a serum-free mediumUS 5,945,337 · granted AUG 31, 1999
- Serum-free medium supporting growth and proliferation of normal bone marrow cellsUS 5,766,951 · granted JUN 16, 1998
- Immunodeficiency virus neutralization assayUS 5,474,894 · granted DEC 12, 1995
Newest 5 shown · Granted to Quality Biological, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Quality Biological INC | Gaithersburg | MD | 20–99 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.