A common reference used to describe the food industry is the standard industrial classification (SIC) manual where, in 1972, 47 food processing industries were compiled and published in a census of manufacturers.

• 通常用于描述食品工业的参考手册是在1972年出版的标准工业分类手册(sic),手册编制和公布了在调查制造业情况中所获得的47个食品加212212业门类。