#1Airgas USA, LLC
Based in Maplewood, MO
Contract Drug Manufacturers in St. Louis County, MO
The top-ranked contract drug manufacturers serving St. Louis County, MO are Airgas USA, LLC, Apertus Pharmaceuticals, LLC and Apertus Pharmaceuticals, LLC. We list 62 contract drug manufacturers serving St. Louis County, MO. 30 of the providers shown match an active record from U.S. Food and Drug Administration, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Contract Drug Manufacturers serving St. Louis County, MO. 62 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked contract drug manufacturers for St. Louis County
#2Apertus Pharmaceuticals, LLC
Based in Maryland Heights, MO#3Apertus Pharmaceuticals, LLC
Based in MO#4Avadel CNS Pharmaceuticals, LLC.
Based in Chesterfield, MO#5Buckeye International, Inc.
Based in Maryland Heights, MO#6Curium US LLC
Based in Maryland Heights, MO#7Eurofins EAG Materials Science, LLC
Based in Maryland Heights, MO#8Florissant Valley Sheltered Workshop
Based in Hazelwood, MO#9Heartland Industries Incorporated
Based in Green Park, MO#10Helget Gas Products, Inc.
Based in Bridgeton, MO
20 more providers serving this area
- Infinity-ekg Life Sciences Mo LLC, Maryland Heights, MO
- Jost Chemical Co., Bel-Ridge, MO
- Lafayette Work Center, Inc., Berkeley, MO
- Lafayette Work Center, Inc., Manchester, MO
- Lighthouse for the Blind, Overland, MO
- Medical Equipment Solutions Inc dba Pur Air Products, Bridgeton, MO
- Med Resources, Inc., Chesterfield, MO
- Medwiser, Inc., MO
- Meridian Medical Technologies, LLC, Bridgeton, MO
- Meridian Medical Technologies, LLC, Brentwood, MO
- Nice-Pak Products, LLC, Vinita Park, MO
- Nomax, INC, Green Park, MO
- Particle Dynamics dba Codis, Brentwood, MO
- Patheon Biologics LLC, MO
- Patheon Biologics LLC, Berkeley, MO
- Pfizer Inc, Chesterfield, MO
- Red Oak Laboratories LLC, Maryland Heights, MO
- Reliable Biopharmaceutical, LLC, Overland, MO
- Sentio BioSciences LLC, Maryland Heights, MO
- SpecGx LLC, Webster Groves, MO
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Frequently asked questions
How many contract drug manufacturers serve St. Louis County?
We list 62 contract drug manufacturers serving St. Louis County, MO: 35 based there and 27 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which contract drug manufacturers serve St. Louis County?
The top-ranked contract drug manufacturers serving St. Louis County, MO are Airgas USA, LLC, Apertus Pharmaceuticals, LLC, Apertus Pharmaceuticals, LLC, Avadel CNS Pharmaceuticals, LLC. and Buckeye International, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving St. Louis County are verified against official records?
10 of the top 10 match an active official record: Airgas USA, LLC (U.S. Food and Drug Administration), Apertus Pharmaceuticals, LLC (U.S. Food and Drug Administration), Apertus Pharmaceuticals, LLC (U.S. Food and Drug Administration), Avadel CNS Pharmaceuticals, LLC. (U.S. Food and Drug Administration) and Buckeye International, Inc. (U.S. Food and Drug Administration), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does FDA establishment registration show?
Facilities that manufacture, prepare or process drugs for the U.S. market must register with FDA every year and list their operations. Registration is not an FDA approval of the facility or its products.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in St. Louis County
Communities served
Hazelwood, Webster Groves, Affton, Old Jamestown, Creve Coeur, Spanish Lake, Manchester, Ferguson, Concord, Clayton, Lemay, Overland, Eureka, Jennings, St. Ann, Crestwood, Town and Country, Bridgeton, Bellefontaine Neighbors, Ellisville, Des Peres, Sunset Hills, Richmond Heights, Olivette, Ladue, Brentwood, Maplewood, Berkeley, Sappington, Valley Park, Black Jack, St. John, Shrewsbury, Glendale, Dellwood, Rock Hill, Glasgow Village, Breckenridge Hills, Normandy, Fenton, Woodson Terrace, Frontenac, Northwoods, Castle Point, Pine Lawn, Green Park, Clarkson Valley, Pagedale, Riverview, Marlborough, Moline Acres, Bel-Ridge, Warson Woods, Hanley Hills, Vinita Park, Wellston, St. George, Lakeshire, Winchester, Oakland