Places to find a metal gas can include hardware stores such as Northern Tool and Equipment, Ace Hardware and Tractor Supply Co. Sellers on eBay and Amazon.com sell new and vintage metal gas cans at any given time.
Both Northern Tool and Equipment and Ace Hardware carry metal gas cans in a variety of sizes as of November 2015. Tractor Supply Co. has a more limited selection.
Amazon.com offers a wide selection of modern metal gas cans from sellers around the country. On eBay, shoppers can find metal gas cans from individuals and business sellers. The website carries both functional and decorative antique gas cans.