Find Phone number, Location Address and all other information of GLAXOSMITHKLINE OTC (PVT) LTD Karachi on Branches.pk – Pakistan’s Largest Branches directory. GLAXOSMITHKLINE OTC (PVT) LTD is a Karachi based company offering services / Products in Karachi as well as in other major cities of Pakistan, you can contact them directly on Phone number111475725