DuraMax Building Products Metal Heavy Duty 4-Tier Decorative Shelving Unit (35-in W x 16-in D x 72-in H) in the Freestanding Shelving Units department at Lowes.com
Amazon.com: Quantum Storage 39-1236-4 4-Shelf Ironman 22 Guage Steel Open Shelving Storage Unit, 36" W x 12" D x 39" H, Powder Coated Steel : Home & Kitchen
Heavy-Duty Powder-Coat Steel Shelving System - Lee Valley Tools
Powder Coated Boltless Shelving (PCBS) - Product Family Page