#1Amgen, Inc
Based in Thousand Oaks, CA
Contract Drug Manufacturers in Thousand Oaks, CA
The top-ranked contract drug manufacturers serving Thousand Oaks, CA are Amgen, Inc, Baxalta US Inc. and FUJIFILM Diosynth Biotechnologies California, Inc.. We list 166 contract drug manufacturers serving Thousand Oaks, 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 Thousand Oaks, CA (Ventura County). 166 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 Thousand Oaks
#2Baxalta US Inc.
Based in Thousand Oaks, CA#3FUJIFILM Diosynth Biotechnologies California, Inc.
Based in Thousand Oaks, CA#4Natren Inc.
Based in Thousand Oaks, CA#5Proficient Rx LP
Based in Thousand Oaks, CA#6Lifetech Resources LLC
Serves this area from Moorpark, CA (6 mi)#7Golden State Medical Supply Inc.
Serves this area from Camarillo, CA (7 mi)#8The Belport Company, Inc DBA Gingi-Pak
Serves this area from Camarillo, CA (8 mi)#9Coherus Oncology, Inc.
Serves this area from Camarillo, CA (8 mi)#10Green Pharmaceuticals Inc
Serves this area from Camarillo, CA (9 mi)
20 more providers serving this area
- Shine & Pretty (USA), Corp, Camarillo, CA (9 mi)
- Boiron Inc., Simi Valley, CA (10 mi)
- Constitution Laboratories LLC, Simi Valley, CA (11 mi)
- Victogen Pharma, Simi Valley, CA (11 mi)
- Siddha Flower Essences, Oxnard, CA (16 mi)
- Private Label Skin Care, Los Angeles, CA (16 mi)
- Prisha Cosmetics, Inc., Los Angeles, CA (16 mi)
- Formology Lab Inc., Los Angeles, CA (16 mi)
- Classic Cosmetics LLC, Los Angeles, CA (17 mi)
- Color Design Laboratory Inc., Los Angeles, CA (17 mi)
- Neutraderm, Inc., Los Angeles, CA (17 mi)
- Advanced Cosmetic Research Laboratories, Los Angeles, CA (17 mi)
- Linde Gas & Equipment Inc., Oxnard, CA (17 mi)
- kdc/one Chatsworth, Inc, Los Angeles, CA (17 mi)
- Kindeva Drug Delivery L.P., Los Angeles, CA (18 mi)
- Jouer Cosmetics, LLC, Los Angeles, CA (18 mi)
- Fnc Medical Corporation, San Buenaventura (Ventura), CA (19 mi)
- Coastal Contract Packaging, Inc., San Buenaventura (Ventura), CA (19 mi)
- The PlanetOne Company, San Buenaventura (Ventura), CA (20 mi)
- SanaClis US LLC, San Buenaventura (Ventura), CA (21 mi)
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Frequently asked questions
How many contract drug manufacturers serve Thousand Oaks?
We list 166 contract drug manufacturers serving Thousand Oaks, CA: 5 based there and 161 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 Thousand Oaks?
The top-ranked contract drug manufacturers serving Thousand Oaks, CA are Amgen, Inc, Baxalta US Inc., FUJIFILM Diosynth Biotechnologies California, Inc., Natren Inc. and Proficient Rx LP. The full ranked list, with the official records each provider matched, is on this page.
Which contract drug manufacturers serving Thousand Oaks are verified against official records?
10 of the top 10 match an active official record: Amgen, Inc (U.S. Food and Drug Administration), Baxalta US Inc. (U.S. Food and Drug Administration), FUJIFILM Diosynth Biotechnologies California, Inc. (U.S. Food and Drug Administration), Natren Inc. (U.S. Food and Drug Administration) and Proficient Rx LP (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 .