#1 Airgas USA, LLC
Based in Thousand Palms, CA
Contract Drug Manufacturers in Riverside County, CA
The top-ranked contract drug manufacturers serving Riverside County, CA are Airgas USA, LLC, Airgas USA, LLC and Apria Healthcare LLC. We list 161 contract drug manufacturers serving Riverside County, 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 Riverside County, CA. 161 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 Riverside County
#2 Airgas USA, LLC
Based in Temecula, CA#3 Apria Healthcare LLC
Based in CA#4 Arminak Solutions LLC
Based in Corona, CA#5 BioPharmaDev, Inc.
Based in Corona, CACall (949) 838-7161 · Website#6 CTK OTC Laboratories, LLC
Based in Corona, CA#7 CTWS, LLC dba CALIFORNIA TOOL & WELDING SUPPLY
Based in Riverside, CACall (951) 686-7822 · Website#8 Diamond Respiratory Care, Inc.
Based in Riverside, CACall (951) 686-0418 · Website#9 GiarCidia LLC
Based in CA#10 Mili Pharmaceuticals, Inc.
Based in Corona, CA
20 more providers serving this area
- PLZ Corp, Riverside, CA
- Respiratory Medical Services, Riverside, CA
- SG Homecare, Inc., Thousand Palms, CA
- Skya Health, LLC, Corona, CA
- Sterigenics U.S., LLC, Corona, CA
- UPS Supply Chain Solutions, Inc., Jurupa Valley, CA
- US Merchants Inc., Eastvale, CA
- Verio Healthcare, Inc., Riverside, CA
- Wellington Foods, Inc., Corona, CA
- ZebraSci, Inc., Temecula, CA
- Airgas USA, LLC, El Centro, CA (74 mi)
- Teamwork Packaging, Inc., San Bernardino, CA (78 mi)
- SG Homecare, Inc., San Bernardino, CA (79 mi)
- Cardinal Health 414, LLC, Colton, CA (80 mi)
- Airgas USA, LLC, San Marcos, CA (85 mi)
- Nippon Sanso Matheson, Inc., San Marcos, CA (85 mi)
- VetStem, Poway, CA (86 mi)
- Custom Converting, Inc., Oceanside, CA (86 mi)
- SOHM Inc., Vista, CA (87 mi)
- Porphose, Vista, CA (87 mi)
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Frequently asked questions
How many contract drug manufacturers serve Riverside County?
We list 161 contract drug manufacturers serving Riverside County, CA: 20 based there and 141 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 Riverside County?
The top-ranked contract drug manufacturers serving Riverside County, CA are Airgas USA, LLC, Airgas USA, LLC, Apria Healthcare LLC, Arminak Solutions LLC and BioPharmaDev, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving Riverside 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), Airgas USA, LLC (U.S. Food and Drug Administration), Apria Healthcare LLC (U.S. Food and Drug Administration), Arminak Solutions LLC (U.S. Food and Drug Administration) and BioPharmaDev, 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 Riverside County
Communities served
Mead Valley, East Hemet, Rancho Mirage, Blythe, Valle Vista, Woodcrest, El Sobrante, Lakeland Village, Home Gardens, Canyon Lake, Calimesa, Good Hope, Bermuda Dunes, Mecca, Thousand Palms, Highgrove, Garnet, Homeland, Nuevo, Desert Palms, Cherry Valley, Lake Mathews, El Cerrito, Indian Wells, Oasis, Desert Edge, Idyllwild-Pine Cove, North Shore, Sage, Meadowbrook, Anza, Winchester, Green Acres, Thermal, Coronita, Cabazon, Vista Santa Rosa, Sky Valley, Romoland, Lakeview, Warm Springs, Lake Riverside, Indio Hills, Aguanga, Whitewater, Mesa Verde, Ripley, Desert Center, Mountain Center