Chromatography is what we do, and it is who we are.

Restek develops and manufactures GC and LC columns, reference standards, sample prep materials, and accessories for the international chromatography. Restek is your first and best choice for chromatography. We are chromatographers. We were founded by chemists and are a 100% employee-owned independent company. Restek is free to create products that will support any brand of instrument that you want to use from innovative sample preparation to cutting edge LC and GC columns to reference standards and accessories. Restek's unrivaled Plus 1 experience directly serves the global scientific community. That's over 100 countries covering the entire world use our industry-leading products in fields for environmental, petrochemical, food and life sciences.