Leominster Steel Structural Manufacturers 386 Main Street E.T. Duval and Sons, Inc. is a full service metal fabrication shop providing custom products to fit your every need. Committed to quality service and value, we have served the New England area for over 80 years. We have over 80 Years of Quality Service; Specializing in Water Jet Cutting, Shearing, Press Brake Work, Rolling, Punch Press Work, and Machining. Leominster MA Steel Structural Manufacturers E. T. Duval and Sons, Inc. etduval.com Metal Fabrication Welding Sheet Metal Work Water Jet Cutting Custom Fabrication Metal Fabrication Welding Sheet Metal Work Water Jet Cutting Custom Fabrication Business Reviews E. T. Duval and Sons, Inc. Testimonials