If you own a new or used trench box, you owe it to yourself to look into the high-quality accessories offered by Allen Trench Safety. Whether you’re in the market for stacking kits, adjustable spreaders, or any number of other products, you can be certain we have what you’re looking for. The industry’s go-to source for rugged, economical, and long-lasting trench boxes, Allen Trench Safety has worked tirelessly to secure – and maintain – our position as the leading supplier of new and used trench boxes for sale. When you choose to work with us, you can rest easy knowing our team has your back. We’ll work with you to identify the products and accessories you need to keep your workers safe.