K2M Group Holdings, Inc. is a medical device company focused on designing, developing and commercializing spine technologies and techniques. The Company's spine products are used by spine surgeons to treat spinal pathologies, such as deformity (primarily scoliosis), trauma and tumor. The Company is engaged in designing, development and commercialization of products for patients suffering from degenerative spinal conditions. Its products consist of implants, disposables and instruments, which are marketed and sold primarily to hospitals for use by spine surgeons. The Company's product portfolio contains over 70 product lines that are used in spine surgeries, minimally invasive spine (MIS) and degenerative surgeries. It markets or sells its products in the United States and over 36 other countries. The Company's technologies include MESA, Rail 4D, Quicket Deformity, CAPRI, SERENGETI, RAVINE, EVEREST, CASCADIA and tifix.