Company Mission

Assaypro is dedicated to providing high quality immunological assay kits and reagents to the researchers in both academia and pharmaceutical/biotech industry. We support customers with not only competitively priced assay kits and reagents, but also customized products to meet your specific needs. Our highly motivated, well educated, and experienced scientists are eager to serve you for your success.

Our Products

Our product lines include AssayLite™ Fluorescent Multiplex Kits, AssayMax™ ELISA kits, AssaySense Chromogenic Activity kits, AssayLite™ Fluorescent antibodies for flow cytometry, proteins, plasma and serum, antibodies, and other related reagents.

Quality Control

All of our assay kits, purified plasma proteins, and kit controls are manufactured in-house at our Saint Charles, Missouri location under an ISO 9001 certified quality management system. In doing so, we ensure that our products are consistently of the highest quality.


Assaypro is committed to providing high quality products and services that meet or exceed our customers’ expectations. Assaypro is also committed to comply with the Quality Management System requirements of ISO 9001. Management will meet regularly to review and improve the performance and effectiveness of the Quality Management System.