lockers modular buildings material handling Steel LOCKERS for storage FEDERAL STEEL EQUIPMENT LTD. offers 50 years experience in material handling systems and storage. Whether your needs are for a few plastic bins, steel lockers, or two-storey shelving, we have the answers to all your needs. Lockers are constructed of cold-rolled steel and are all-welded, no bolts whatsoever. This high-quality contrusction accounts for the outstanding rigidity and durability of each locker. These lockers are available in single-tier, double tier or six-tier.