Carlisle Companies Inc, known as CSL Limited, is a global leader in biopharmaceuticals and vaccines, with a rich history dating back to 1916. Based in Melbourne, Australia, CSL operates in key markets including the US, Germany, the UK, Switzerland, and China. The company is structured into three main segments: CSL Behring, focusing on plasma products, gene therapies, and recombinants; CSL Seqirus, specializing in influenza vaccines and pandemic services; and CSL Vifor, dedicated to iron deficiency and nephrology therapies. CSL also actively licenses its intellectual property, contributing to its reputation as a pioneer in medical science.