The United Tool & Die Company (UTD) is an aerospace tube, duct and sheet metal fabricator in West Hartford, CT that has been ... family owned and operated since 1923. UTD is committed to putting people first in achieving our goal of continuously improving our processes through efficient an innovative manufacturing practices. We will strive to maintain stability with growing world technology by providing the highest quality product at the lowest total cost. We are dedicated to realizing absolute customer satisfaction through effective management and manufacturing practices. read more