About Us - Bulk Antisera | Polycolonal Antibodies | Nittobo America Inc.

About Us

"Your Preferred Source for Polyclonal Antisera"

Incorporated in 1986 Nittobo America Inc., (NTB-A) as a wholly owned subsidiary of Nitto Boseki Co., Ltd., a Japanese Corporation: is comprised of manufacturing facilities for two respected brands of immunodiagnostic products.  International Immunology Corporation (IIC) established in 1982, and Midland BioProducts Corporation (MBC) which was founded in 1987.

California facility where our International Immunology Corporation (IIC) Brand is produced.  It is situated on 70 acres in the Murrieta Valley in Southern California (USA).

IIC Brand Facility in California



Iowa facilities where our Midland BioProducts Corporation (MBC) Brand is produced, it is located on 90 acres of farm land in Boone, Iowa, (USA).

MBC Brand Laboratory in Iowa






MBC Brand Farm in Iowa

Both facilities are:

ISO Certified (9001:2015) for:  Design, Manufacture and Supply Bulk Polyclonal Antisera and Complementary Products.

ISO 9001 Lloyds Certification

NTBA ISO 9001:2015 Certificate


USDA Registered Technical Plants, for collection and export to the EU.

Our primary emphasis is the manufacturing and supply of antisera and calibrators in bulk quantities as raw material to immunodiagnostic assay manufacturers.


Nittobo America Inc.
25549 Adams Ave
Murrieta, CA 92562
T 951.677.5629 | Email
About Us

Nittobo America Inc., established in 1986, is celebrating its’ 30th Anniversary. In June 2016 we completed the integration of the Sales and Marketing activities of our two brands: Midland BioProducts Corporation (MBC) and International Immunology Corporation (IIC). Both brands manufacture polyclonal antisera for turbidimetric immunoassays and produce specific plasma protein calibrators and controls.

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