Alexium International Group Limited is a U. S.-based firm specializing in the production and distribution of phase-change materials (PCM) and various advanced textile technologies. The company's portfolio includes a range of thermal management solutions such as Alexicool, a PCM-based chemical finish for fabrics; Biocool, which delivers natural and bio-derived PCM cooling for both textile and foam bedding; and Eclipsys, an ongoing cooling innovation designed to enhance comfort in bedding systems.