Affinity Biologicals, Inc. is a primary manufacturer of products used worldwide in thrombosis and hemostasis research and medical diagnostics.

Our products include an extensive line of antibodies to coagulation and hemostasis related proteins, conjugates, antibody pairs for immunoassay of human and animal analytes, the VisuLize™ line of complete ELISA kits, and a full line of human deficient plasmas. Custom Services include protein purification, antibody production, assay development, custom manufacturing, and lyophilization.

Affinity has an ISO 13485 registered Quality System and manufactures in vitro diagnostic medical devices licensed by the U.S. Food and Drug Administration, Health Canada, and European regulatory authorities (CE Mark).

In late 2018, we were acquired by Precision BioLogic Inc., a leading developer of frozen hemostasis diagnostic products that help labs around the globe deliver timely, accurate results.

Please read on to find out more about us and the products and services we have to offer your organization.

Innovation Through Collaboration
Learn more about how Precision BioLogic and Affinity Biologicals are advancing hemostasis diagnostics and research.

Respect, cooperation, collaboration, compassion, and accountability—with customers as well as each other—are the foundations of our organization. We’re very passionate about carrying these values through everything we do and trust that if you’re interested in working with us, you will be too.

Paul Empey, President and CEO, Precision BioLogic

Ask Us

Our knowledgeable staff are here for you. If you have any technical questions about our products or techniques, don't hesitate to call or email us.