WELCOME TO ASSAYPRO

A U.S. based manufacturer of ELISA Kits, Activity Kits, Fluorescent Kits, Controls, Antibodies, Proteins, Plasma & Serum, and Reagents

A Global Provider of Immunological Kits and Reagents

Assaypro is dedicated to providing high quality immonological kits and reagents to the researchers throughout academia, pharmacceutical, and biotech industries. Our product lines include AssayMax ELISA Kits, AssaySense Chromogenic Activity Kits, AssayLite Fluorescent Multiplex Kits, AssayLite antibodies, and other related reagents.

Utilizing our patented labeling techniques,

We are able to provide a multiplex capable platform with the same high quality, ease of use, and performance that customers have come to expect from our ELISA Kits and antibodies.

A Global Provider of Immunological Kits and Reagents

Utilizing our patented labeling techniques, we are able to provide a multiplex capable platform with the same high quality, ease of use, and performance that customers have come to expect from our ELISA Kits and antibodies.
Kits Assaypro offers ready-to-use ELISA kits for accurate quantification of proteins, cytokines, and biomarkers. Each kit is optimized for sensitivity, reproducibility, and ease of use in research and diagnostic settings.
Antibodies Assaypro provides high-quality monoclonal and polyclonal antibodies, validated for reliable use in ELISA, western blotting, and other immunoassays. Designed for accuracy and consistency, they support confident results in every experiment.
Other Products In addition to antibodies and kits, Assaypro provides recombinant proteins, controls, reagents, and lab tools to support a wide range of immunoassay workflows. All products are designed for quality, consistency, and research-grade performance.
Proteins Assaypro offers high-purity recombinant proteins for use in ELISA, western blotting, and functional studies. Each protein is produced and validated for consistent performance in research applications.

Precision Tools for Immunological Discovery

AssayPro is a biotechnology company based in Saint Charles, Missouri, specializing in the development and manufacture of high-quality immunological assay kits and reagents. Since our founding in 2003, AssayPro has served researchers in academia, pharmaceuticals, and biotechnology by providing products such as ELISA kits, chromogenic activity kits, fluorescent multiplex kits, antibodies, and proteins. Our product lines include AssayMax™ ELISA Kits, AssaySense Chromogenic Activity Kits, and AssayLite™ Fluorescent Multiplex Kits, designed for applications in cardiovascular, metabolic, cancer, and diabetes research.​

All AssayPro products are manufactured in-house at our ISO 9001-certified facility in Saint Charles, ensuring consistent quality and control. Our company also offers custom assay development and ELISA testing services, utilizing our own components and automated systems to deliver accurate results. With a dedicated team of experienced scientists, AssayPro is committed to supporting the scientific community with reliable tools and services for immunological research.​