Nittobo America Inc. (NTB-A), is a primary manufacturer of high quality bulk polyclonal antisera and complementing raw material. Our antisera is available in several forms: as serum, an Ig fraction, an igG fraction or as an immunoaffinity purified antibody. We produce these products in large scale with the intended use as a raw material for in -vitro diagnostic kits. We also provide a custom polyclonal antibody production service should you require a specificity that we do not produce. NTB-A is established in 1986, celebrates over 30 years in the industry. In June 2016 we completed the integration of the Sales and Marketing activities of our two brands: MBC and IIC. In 2019 we Acquired the third brand Capricorn product. All three brands manufacture polyclonal antisera for turbidimetric immunoassays and produce specific plasma protein calibrators and controls.