Physical Validation

Updated .

Best biologics manufacturing CDMOs (2026)

Each plant here makes protein or antibody drug substance.

Visp

Lonza · Visp, Valais, Switzerland

Biologics manufacturing

Lonza — Visp site services and technologies

Dundalk

WuXi Biologics · Dundalk, County Louth, Ireland

Biologics manufacturing

WuXi Biologics — Dundalk facility overview

Songdo Bio Campus I

Samsung Biologics · Incheon, South Korea

Bio Campus I. Bio Campus II and the ADC plant are separate sites.

Samsung Biologics — manufacturing campuses and offices

Guides for buyers