#1 Optima Medical Supply LLC
Based in Downers Grove, IL
Contract Drug Manufacturers in Downers Grove, IL
The top-ranked contract drug manufacturers serving Downers Grove, IL are Optima Medical Supply LLC, Particle Technology Labs and Dena Brands USA Ltd. We list 85 contract drug manufacturers serving Downers Grove, 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 Downers Grove, IL (DuPage County). 85 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 Downers Grove
#2 Particle Technology Labs
Based in Downers Grove, ILCall (630) 969-2703 · Website#3 Dena Brands USA Ltd
Serves this area from Westmont, IL (2 mi)#4 McCrone Associates, Inc.
Serves this area from Westmont, IL (4 mi)#5 AVA, Inc.
Serves this area from Willowbrook, IL (5 mi)Call (855) 552-8274 · Website#6 Blistex Inc.
Serves this area from Oak Brook, IL (7 mi)Call (630) 571-2870 · Website#7 Linde Gas & Equipment Inc.
Serves this area from Hillside, IL (7 mi)Call (708) 449-9300 · Website#8 WestRock Converting, LLC
Serves this area from Bolingbrook, IL (8 mi)#9 Vee Pak, LLC dba Voyant Beauty
Serves this area from Countryside, IL (8 mi)#10 Airgas USA, LLC
Serves this area from Countryside, IL (8 mi)Call (708) 352-8533 · Website
20 more providers serving this area
- Vee Pak, LLC dba Voyant Beauty, Countryside, IL (8 mi)
- Topical Pharmaceuticals Inc., Addison, IL (9 mi)
- 2XL Corporation, Bolingbrook, IL (9 mi)
- Solesence, Inc., Bolingbrook, IL (9 mi)
- Floor-Chem Inc., Romeoville, IL (9 mi)
- Medefil, LLC, Glendale Heights, IL (9 mi)
- GEA Farm Technologies, Inc., Romeoville, IL (9 mi)
- Accugen Laboratories, Inc., Addison, IL (10 mi)
- Cardinal Health, Inc., Glendale Heights, IL (10 mi)
- Advocate Home Care Products, Elmhurst, IL (10 mi)
- J&H Fulfillment LLC, Elmhurst, IL (10 mi)
- Univar Solutions USA LLC, Bedford Park, IL (10 mi)
- Financial Graphic Service, Inc, Aurora, IL (11 mi)
- Ingredion Incorporated, Bedford Park, IL (11 mi)
- Fresenius Kabi USA, LLC, Melrose Park, IL (11 mi)
- Fresenius Kabi USA, LLC, IL
- Airgas USA, LLC, West Chicago, IL (12 mi)
- Finish Line Horse Products Inc., Bensenville, IL (12 mi)
- Frontida BioPharm, LLC, Aurora, IL (12 mi)
- Korex Chicago LLC, IL
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Frequently asked questions
How many contract drug manufacturers serve Downers Grove?
We list 85 contract drug manufacturers serving Downers Grove, IL: 2 based there and 83 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 Downers Grove?
The top-ranked contract drug manufacturers serving Downers Grove, IL are Optima Medical Supply LLC, Particle Technology Labs, Dena Brands USA Ltd, McCrone Associates, Inc. and AVA, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving Downers Grove are verified against official records?
10 of the top 10 match an active official record: Optima Medical Supply LLC (U.S. Food and Drug Administration), Particle Technology Labs (U.S. Food and Drug Administration), Dena Brands USA Ltd (U.S. Food and Drug Administration), McCrone Associates, Inc. (U.S. Food and Drug Administration) and AVA, 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 .