Shipping containers available for sale, rental and custom modified. ATS Containers is Canada's largest supplier of new and used shipping containers with next day delivery available in most locations. Our inventory ranges from the 8' mini containers, 10', 20', 40' units and a large selection of specialized units such as open side, double door flat rack, refrigerated containers, etc. Short terms mobile storage needs can also met with our fleet of rental containers. By carrying the largest fleet of rental equipment in Ontario & Quebec, ATS can offer a next day mobile storage solutions ranging from 10' to 40' in size. For more specialized applications, ATS also offers custom container modifications. more... See more text