Guangzhou Ziyuan Biotechnology Co., Ltd., established on 2007-02-07, Business scope includes natural science research and experimental development;Engineering and Technology Research and Experimental Development;Chemical Engineering Research Services;Agricultural Science Research and Experimental Development;Animal Husbandry Scientific Research Services;Aquaculture scientific research service;Medical Research and Experimental Development;drug development;Chemical product testing service;Biotechnology Extension Services;Biotechnology Development Services;Biotechnology Consulting,communication service;Biotechnology Transfer Services;Technology intermediary service;Science and Technology Information Consulting Services;Commodity wholesale trade(Except for licensed and approved products);Commodity retail trade(Except for licensed and approved products);Veterinary Drug Sales;

Guangzhou Yuantu Biotechnology Co., Ltd., established on 2011-04-25, The business scope includes feed additives,Additive premix feed production;Feed Additives Wholesale;feed wholesale;Wholesale of chemical products(Excluding hazardous chemicals);Chemical Engineering Research Services;Biotechnology Consulting,communication service;Biotechnology Transfer Services;Biotechnology Extension Services;Biotechnology Development Services;Inorganic Acid Manufacturing(Monitor Chemicals,Excluding hazardous chemicals);Inorganic base manufacturing(Monitor Chemicals,Excluding hazardous chemicals);Inorganic salt manufacturing(Monitor Chemicals,Excluding hazardous chemicals);Manufacturing of organic chemical raw materials(Monitor Chemicals,Excluding hazardous chemicals);Manufacturing of other non-hazardous basic chemical raw materials;Chemical Reagent and Auxiliary Manufacturing(Monitor Chemicals,Excluding hazardous chemicals);Manufacturing of special chemicals(Monitor Chemicals,Excluding hazardous chemicals);

Pulike Biological Engineering, Inc. engages in the research, development, manufacturing and sale of biological products for animals, chemical drugs and Chinese veterinary drugs. Its products include genetic engineering vaccines and multivalent vaccines. The company also provides technical services. Pulike Biological Engineering was founded in 1995 and is headquartered in Luoyang, China.

Jiangsu Academy of Agricultural Sciences is a Chinese private company located in Nanjing, with subsidiaries in China, that engages in agriculture research and development.

Korea Research Institute of Bioscience and Biotechnology (KRIBB) is a government research institute in Daejeon, South Korea. It is dedicated to biotechnology research across a broad span of expertise, from basic studies for the fundamental understanding of life phenomena to applied studies such as drug discovery, novel biomaterials, integrated biotechnology and bioinformation.

Wuhan Keqian Biology is involved in the research and development, production, and sale of veterinary biological products, as well as the provision of technical services for the prevention of animal epidemics. They offer products including a combination vaccine, a vaccine for poultry, a pet vaccine, and a diagnostic reagent.

Beijing Daweijia Biotechnology Co., Ltd., established on 1997-06-02, Business scope includes technology development,technology transfer,technical consulting,Technical Services;Sales of developed products,feed,Feed additives,Biological product(except medicines),Machinery and electrical equipment,Computer hardware and software and peripheral equipment,communication equipment(In addition to radio transmission equipment),Cultural office machinery,building materials;Import and export,Technology Import and Export,Agent import and export;Production of compound feed,concentrated feed,additive premixed feed,Concentrate supplement(Rumination)(Limited to branch operations);Internet information service.(Enterprises independently choose operating projects according to law,Carry out business activities;Internet information services and projects subject to approval according to law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

BioApplications, Inc. engages in developing and manufacturing plant-based protein products for human and animal use. The company was founded on August 16, 2011 and is headquartered in Pohang, South Korea.

Guangdong Haida Animal Veterinary Research Institute Co., Ltd., part of Guangzhou Haihao Investment Co Ltd, is a company headquartered in Guangzhou, China. The firm manufactures and distributes agricultural products; provides agricultural technology research services; provides veterinary services.

Qingdao Yebio Bioengineering Co. Ltd. is a Chinese private company located in Qingdao. The firm engages in research and development, production and distribution of veterinary bioproducts for animal disease prevention, diagnosis and treatment.

Luoyang Pulike Wantai Biotechnology Co. Ltd., a subsidiary of Pulike Biological Engineering, Inc., is a company headquartered in China specializing in pharmaceutical preparations.

Shaanxi Nuoweilihua Biotechnology Co., Ltd., established on 2016-01-20, Business scope includes bioengineering,biomaterials,Technical development of biological products,transfer,consult,Serve;Veterinary Field Testing and Inspection;Preparation of technical plans for disease prevention and control,consult;Natural science research and experimental development.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhaoqing Dahuanong Biopharmaceutical Co., Ltd., established on 2002-07-22, The business scope includes the production of veterinary vaccines;sales of veterinary drugs;Technical Services;Import and export of goods or technology(Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval).The branch produces inactivated embryotoxin vaccines;Sales of veterinary biological products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Boehringer Ingelheim Animal Health USA, Inc. manufactures biological vaccines for animals. The firm specializes in pharmaceuticals for cattle, equine, pet, and swine. The company was founded by Albrecht Boehringer in 1885 and is headquartered in Duluth, GA.

Entrinsic Health Solutions leverages gold standard science and game-changing amino acid technology to address critical digestive and hydration-related health concerns for individuals and animals around the world. The seed was planted for Entrinsic Health Solutions when Dr. Sadasivan Vidyasagar realized the seriousness and extent of dehydration on a global scale. He committed himself to researching and supporting healthy digestive function and hydration: the cornerstone of Entrinsic Health Solutions.

Optipharm provides a biomedical solution that is involved in the development of cell therapy products using animal stem cells. The company was founded in July 2000 as Avicore Biotechnology Research Center and merged with Medipig Korea and Optipharm Solution Center in December 2007, after which it was renamed Optipharm Solution. It entered the veterinary medicine field in April 2008 by acquiring Farmscare, and it was listed on the KOSDAQ in October 2018 after the company's name was changed to its current name Optipharm in September 2012. It is currently involved in the business of animal disease diagnosis, animal medicine, bacteriophage, Medipig, xenogenic organs, VLP vaccines, and so on, and it is expanding into the field of human medicine based on the technology that it has accumulated in the field of animal medicine.

Part of Sichuan Animtech Feed Co. Ltd., Sichuan Huasun Animal Biological Products Co. Ltd. is a company headquartered in Chengdu, China, that manufactures and distributes veterinary vaccines and other animal biological products. On December 26, 2012 Sichuan Animtech Feed Co. Ltd. acquired Sichuan Huasun Animal Biological Products Co. Ltd. from Chengdu Huasun Technology Group Inc., Ltd. for $1.58 million.