About

About Montana Advanced Composites Montana Advanced Composites (MAC) is a privately held, 100% US-owned and operated business that develops and manufactures advanced hot-melt prepregs and ancillary composite materials. MAC’s custom-built manufacturing facility houses multiple state-of-the-art prepreg lines with capacity for mid-market volumes and the ability to scale to high-rate production. We focus on being easy to work with – prioritizing responsiveness and superior service. We provide consistently high-quality materials you can count on and deliver in lead times that work for you. We thrive on collaborating throughout the development process to ensure our materials help create value for our customers.