#1 Quality Packaging Specialists International, LLC
Serves this area from Granite City, IL (13 mi)
Contract Drug Manufacturers in O'Fallon, IL
The top-ranked contract drug manufacturers serving O'Fallon, IL are Quality Packaging Specialists International, LLC, Air Products and Chemicals, Inc. and Menasha Packaging Company LLC. We list 58 contract drug manufacturers serving O'Fallon, IL. 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 O'Fallon, IL (St. Clair County). 58 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 O'Fallon
#2 Air Products and Chemicals, Inc.
Serves this area from Granite City, IL (14 mi)Call (800) 654-4567 · Website#3 Menasha Packaging Company LLC
Serves this area from Pontoon Beach, IL (14 mi)#4 Linde Gas & Equipment Inc.
Serves this area from Cahokia Heights, IL (14 mi)Call (618) 332-5037 · Website#5 Dyno Manufacturing, Inc
Serves this area from Madison, IL (14 mi)Call (877) 396-6634 · Website#6 Haleon US Holdings LLC
Serves this area from St. Louis, MO (15 mi)#7 Loy-Lange Box Company
Serves this area from St. Louis, MO (15 mi)Call (314) 776-4712 · Website#8 CentraPac Solutions Group, LLC
Serves this area from St. Louis, MO (16 mi)#9 SpecGx LLC
Serves this area from St. Louis, MO (16 mi)#10 Marcus Research Laboratory, Inc.
Serves this area from St. Louis, MO (16 mi)
20 more providers serving this area
- Missouri Analytical Laboratories, Inc., St. Louis, MO (16 mi)
- Sigma-Aldrich Manufacturing LLC, St. Louis, MO (16 mi)
- Sigma-Aldrich Co. LLC, St. Louis, MO (16 mi)
- M.J. Resurrection, Inc., St. Louis, MO (17 mi)
- Messer LLC, IL
- Airgas USA, LLC, St. Louis, MO (17 mi)
- Sterling Pharmaceutical Services, LLC, IL
- Alcami Carolinas Corporation, St. Louis, MO (18 mi)
- Airgas USA, LLC, Roxana, IL (18 mi)
- Signature Filling Company, LLC, St. Louis, MO (19 mi)
- Cee-kay Supply, Inc., St. Louis, MO (20 mi)
- Chemisphere Corporation, St. Louis, MO (21 mi)
- Meyer Electric and Farm, Inc, IL
- STERIS Corporation, Pagedale, MO (22 mi)
- Airgas USA, LLC, Maplewood, MO (22 mi)
- Particle Dynamics dba Codis, Brentwood, MO (23 mi)
- Meridian Medical Technologies, LLC, Brentwood, MO (23 mi)
- Heartland Industries Incorporated, Green Park, MO (23 mi)
- Nomax, INC, Green Park, MO (23 mi)
- SpecGx LLC, Webster Groves, MO (23 mi)
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Frequently asked questions
How many contract drug manufacturers serve O'Fallon?
We list 58 contract drug manufacturers serving O'Fallon, IL: 0 based there and 58 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 O'Fallon?
The top-ranked contract drug manufacturers serving O'Fallon, IL are Quality Packaging Specialists International, LLC, Air Products and Chemicals, Inc., Menasha Packaging Company LLC, Linde Gas & Equipment Inc. and Dyno Manufacturing, Inc. The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving O'Fallon are verified against official records?
10 of the top 10 match an active official record: Quality Packaging Specialists International, LLC (U.S. Food and Drug Administration), Air Products and Chemicals, Inc. (U.S. Food and Drug Administration), Menasha Packaging Company LLC (U.S. Food and Drug Administration), Linde Gas & Equipment Inc. (U.S. Food and Drug Administration) and Dyno Manufacturing, 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 .