Superior enterprises, i.e., commercial and trading enterprises that have reached a certain scale standard, specifically refers to large enterprises in the wholesale, retail, accommodation and catering industries. They are defined by the following standards:

1. Wholesale industry (including foreign trade enterprises): total annual merchandise sales need to reach more than 20 million yuan, and the number of employees at the end of the year is not less than 20 people.

2. Retail: annual gross merchandise sales need to be more than 5 million yuan, and the number of employees at the end of the year needs to be more than 60 people.

3. Accommodation: including star-rated hotels or tourist hotels such enterprises.

4. Catering industry: annual gross business income needs to be more than 2 million yuan, the number of employees is not less than 40 people.

Any enterprise that fails to meet these standards is classified as a sub-limit enterprise.

The categorization of regulated enterprises is very broad, mainly including according to the mode of capital contribution by investors (sole proprietorship, partnership, corporate), ownership structure (national, collective, private, foreign), form of liability (unlimited liability, limited liability, shares), credit rating, type of corporate status, size (very large, large, medium, small, micro), economic sector (agriculture, industry, service), and the enterprise's different classifications of health (healthy, flexible, resilient, unhealthy, etc.). These classifications help to provide a deeper understanding of the size and characteristics of businesses.