E. T. Duval & Sons, Inc. E. T. Duval & Sons, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Manufacturing >> Steel E. T. Duval & Sons, Inc. 386 Main StreetLeominster, MA 01453 | View on Google Maps Jeffrey T Duval (978) 537-7596 | fax: (978) 534-5754 Visit Site Connect With Us Member Since: 1984 Send a message to: E. T. Duval & Sons, Inc. Your Name: Your Email: Subject: Message: (Date: 5/20/2024)