Stem Cell Sciences, LLC (SCS) is an international research and development company specializing in the provision of stem cells and stem cell technologies.  SCS has developed ESGRO Complete™ Clonal Grade Medium, a serum-free cell culture medium containing BMP4 and LIF, which is the first medium to enable mouse ES cells to grow from clonal concentrations without the use of fetal bovine serum or Primary Mouse Embryo Fibroblast (PMEF) feeder cells.   Click on the above link for more information or to place an order.