Founded in 1984 as Princeton Separations, Inc (PSI), with a mission to provide highest-quality products for the biotechnology market, and reborn after Covid-19 as Princeton Separations Scientific LLC (PSS) we are celebrating our 40th anniversary.

We are a family-owned, manufacturing-based biotechnology company specializing in molecular separations serving the sample prep needs of the genomic and proteomic markets. We develop, manufacture and market DNA purification products widely used in research labs around the world for downstream applications such as sequencing and testing.

Our promise is to make you feel our one and only customer. We will strive for your absolute satisfaction. We are aware that longevity of our company depends not only on the high quality of our products but the ultimate experience with us. We look forward to celebrating our 50th anniversary together!