This U.S. industry comprises establishments primarily engaged in growing tree nuts. Illustrative Examples: Almond farming Pistachio farming Filbert farming Tree nut farming Macadamia farming Walnut farming Pecan farming Cross-References. Establishments primarily engaged in-- ? Growing coconut and coffee--are classified in U.S. Industry 111339, Other Noncitrus Fruit Farming; and ? Growing tree nut(s) in combination with fruit(s) with no one fruit (or family of fruit or of tree nuts) accounting for one-half of the establishment's agriculture production (i.e., value of crops for market)--are classified in U.S. Industry 111336, Fruit and Tree Nut Combination Farming.