Olympia Tools, The Tipka Company and Mac Sports are some popular brands of folding utility carts. Deluxe Imports, Crate and Barrel, and The Container Store are also some popular brands.
Olympia Tools manufactures the Pack-N-Roll Mesh Shopping Cart, a collapsible model with an adjustable handle. It has four wheels and a 55-pound weight capacity. This cart comes with a limited lifetime warranty.
The Tipke 2100 Marine Fold-It Utility Cart is a heavy-duty metal cart that holds up to 350 pounds. This rust-resistant aluminum cart has two 20-inch wheels and requires 2 square feet of storage space when collapsed. It comes with a two-year limited warranty.