JSR North America Holdings, Inc.

The company holds JSR Micro, Inc., a key provider of semiconductor materials including photoresists and other advanced chemicals essential for chip manufacturing, and JSR Life Sciences, LLC, which offers integrated drug development and manufacturing solutions for the biopharmaceutical industry, encompassing drug discovery, process development, clinical supply, and biologics production.

Through these subsidiaries and affiliates, JSR North America Holdings supports activities in semiconductor materials, life sciences, and clean energy solutions across North America, with broader reach into Europe and Asia-Pacific via JSR's global network. It provides shared administrative services such as HR, IT, accounting, and compliance to its operating companies.

As a wholly owned subsidiary of JSR Corporation, which is undergoing acquisition by Mitsui Chemicals, Inc., the entity positions JSR's North American businesses within the larger Japanese chemical and materials conglomerate. JSR is recognized as a global leader in semiconductor materials, particularly photoresists, and in life sciences technologies supporting therapeutic development.