Contract Drug Manufacturers in Hayward, CA

We list 70 contract drug manufacturers serving Hayward, CA: 3 based there and 67 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked contract drug manufacturers serving Hayward, CA are Allure Labs, LLC, Biolog, Inc., Sun Deep Inc., Boehringer Ingelheim Fremont, Inc. and Alexza Pharmaceuticals, Inc.. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Allure Labs, LLC (U.S. Food and Drug Administration), Biolog, Inc. (U.S. Food and Drug Administration), Sun Deep Inc. (U.S. Food and Drug Administration), Boehringer Ingelheim Fremont, Inc. (U.S. Food and Drug Administration) and Alexza Pharmaceuticals, Inc. (U.S. Food and Drug Administration), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"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.

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.