Hualan Biological Engineering, Inc.

China

HUALAN BIOLOGICAL ENGINEERING. INC.

Hualan Biological Vaccine Inc.

China

BIOLOGICAL E. LIMITED

India

Biological E Limited.

United States

Terra Biological LLC

United States

ADDISON BIOLOGICAL LABORATORY, INC.

United States

Changchun Zhuoyi Biological Co., Ltd.

China

Sannuo Biological Sensor Co., Ltd.

China

Medical & Biological Laboratories Co. Ltd.

Japan