#1Airgas USA, LLC
Based in Rancho Cucamonga, CA
Contract Drug Manufacturers in Rancho Cucamonga, CA
The top-ranked contract drug manufacturers serving Rancho Cucamonga, CA are Airgas USA, LLC, Amphastar Pharmaceuticals, Inc. and Nippon Sanso Matheson, Inc.. We list 252 contract drug manufacturers serving Rancho Cucamonga, CA. 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 Rancho Cucamonga, CA (San Bernardino County). 252 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 Rancho Cucamonga
#2Amphastar Pharmaceuticals, Inc.
Based in Rancho Cucamonga, CA#3Nippon Sanso Matheson, Inc.
Based in Rancho Cucamonga, CA#4US Drugs, Inc.
Based in Rancho Cucamonga, CA#5Exel Inc. dba DHL Supply Chain (USA)
Serves this area from CA#6Masonhub, Inc
Serves this area from Fontana, CA (6 mi)#7United Exchange Corp.
Serves this area from CA#8Pouches, Inc.
Serves this area from Ontario, CA (8 mi)#9AMF Pharma LLC
Serves this area from Ontario, CA (8 mi)#10Biochem Scientific Laboratory LLC
Serves this area from Upland, CA (8 mi)
20 more providers serving this area
- US Merchants Inc., Eastvale, CA (8 mi)
- Menasha Packaging Company LLC, Fontana, CA (8 mi)
- Innovatical Laboratories LLC, Montclair, CA (8 mi)
- UPS Supply Chain Solutions, Inc., Jurupa Valley, CA (9 mi)
- Airgas USA, LLC, Pomona, CA (11 mi)
- Bimeda Pomona Inc., Pomona, CA (11 mi)
- Diamond Wipes International, Inc., Chino, CA (12 mi)
- Paklab, Chino, CA (12 mi)
- Gilead Sciences, Inc., La Verne, CA (13 mi)
- Prostat First Aid, LLC, La Verne, CA (13 mi)
- Respiratory Medical Services, Riverside, CA (13 mi)
- CTWS, LLC dba CALIFORNIA TOOL & WELDING SUPPLY, Riverside, CA (14 mi)
- KC Pharmaceuticals, Inc., Pomona, CA (15 mi)
- OASIS Medical, Inc., Glendora, CA (15 mi)
- Ethical Nutritional, LLC, Pomona, CA (15 mi)
- Diamond Respiratory Care, Inc., Riverside, CA (16 mi)
- PLZ Corp, Riverside, CA (16 mi)
- Cardinal Health 414, LLC, Colton, CA (16 mi)
- Verio Healthcare, Inc., Riverside, CA (16 mi)
- SG Homecare, Inc., San Bernardino, CA (17 mi)
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Frequently asked questions
How many contract drug manufacturers serve Rancho Cucamonga?
We list 252 contract drug manufacturers serving Rancho Cucamonga, CA: 4 based there and 248 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 Rancho Cucamonga?
The top-ranked contract drug manufacturers serving Rancho Cucamonga, CA are Airgas USA, LLC, Amphastar Pharmaceuticals, Inc., Nippon Sanso Matheson, Inc., US Drugs, Inc. and Exel Inc. dba DHL Supply Chain (USA). The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving Rancho Cucamonga are verified against official records?
10 of the top 10 match an active official record: Airgas USA, LLC (U.S. Food and Drug Administration), Amphastar Pharmaceuticals, Inc. (U.S. Food and Drug Administration), Nippon Sanso Matheson, Inc. (U.S. Food and Drug Administration), US Drugs, Inc. (U.S. Food and Drug Administration) and Exel Inc. dba DHL Supply Chain (USA) (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 .