How long has king kullen supermarket been in business? Offering Long Island Families top-quality groceries for over 90 years. The Smithsonian Institution acknowledges King Kullen as America's first supermarket.Why choose king kullen? During the pandemic King Kullen has been a life line. Love their bell and Evans chicken products, tofu, chips, baby food. So much more. Made excellent grilled ribs when ribs were on sale. Friendly staff and well stocked during this very difficult time. Grilled baby back ribs, macaroni and arugula salad. Friendly staff.Will king kullen issue rain checks for out of stock items? Due to increased demand and in order to satisfy all King Kullen customers, we will be applying limits on high demand items to 2 per item. Due to the uncertainty of product supply, advertised items may become unavailable. Unfortunately, we will not be issuing rain checks for out of stock sale items.