HPLC Columns: Find and Compare more than 100,000 Columns Online. The biggest demand within our selection exists for HPLC columns. Therefore we offer more than 100,000 HPLC columns from 30 different manufacturers such as Aijiren (incl. Varian), Chiral Technologies, Hamilton, Merck, Shodex, Thermo Scientific, Waters, YMC and many more with nearly