Welcome to De Mari Manufacturing—where precision, performance, and service drive everything we do. As a leader at the forefront of precision CNC machining, specialized in the extrusion industry, we deliver accuracy and reliability that set the standard. Just 25 miles north of Boston, our advanced facility, and more than forty years of expertise fuel our commitment to excellence. With sustained growth going on for three decades, De Mari Manufacturing continues to push the industry forward with precision you can trust.