311911 Roasted Nuts and Peanut Butter Manufacturing This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) salting, roasting, drying, cooking, or canning nuts; (2) processing grains or seeds into snacks; and (3) manufacturing peanut butter. The data published with NAICS code 311911 include the following SIC industries: 2068 Salted and roasted nuts and seeds 2099 Food preparations, n.e.c. (pt)