Packing industry. 15th census of United States [1930]: Manufactures, 1929, industry series, meat packing and related industries, meat packing, wholesale; oleomargarine, not made in meat-packing establishments; poultry killing, dressing, and packing, wholesale; sausage, meat puddings, headcheese, etc, and sausage casings, not made in meat-packing establishments; shortenings (not including lard) and vegetable cooking oils.