Pel-Freez Biologicals

Pel-Freez Biologicals is a premier manufacturer of high-quality animal-derived biologicals, including sera, plasma, and tissues, primarily serving the diagnostics and drug discovery industries. Founded in 1951 and headquartered in Rogers, Arkansas, the company specializes in rabbit-derived products and is a leading global supplier of rabbit complement for HLA tissue typing and other immunological assays. Their portfolio also includes a wide range of animal tissues, purified proteins, and custom manufacturing services for polyclonal antibodies. Pel-Freez operates under rigorous quality standards, including ISO 9001:2015 certification, ensuring consistent performance for critical life science applications. The company supports a broad range of applications from basic research to the production of FDA-approved diagnostic kits.