1000 Residence or accommodation functions
  1100  Private household
  1300  Hotels, motels, or other accommodation services
2000 General sales or services
  2100  Retail sales or service
    2110  Automobile sales or service establishment
    2120  Heavy consumer goods sales or service
    2130  Durable consumer goods sales and service
    2140  Consumer goods, other
    2150  Grocery, food, beverage, dairy, etc.
    2160  Health and personal care
  2200  Finance and Insurance
  2300  Real estate, and rental and leasing
  2400  Business, professional, scientific, and technical services
  2500  Food services
  2600  Personal services
  2700  Pet and animal sales or service (except veterinary)
4000  Transportation, communication, information, and utilities
  4100  Transportation services
  4200  Communications and information
5000  Arts, entertainment, and recreation
  5100  Performing arts or supporting establishment
  5200  Museums and other special purpose recreational institutions
  5300  Amusement, sports, or recreation establishment
  5400  Camps, camping, and related establishments
6000  Education, public admin., health care, and other inst.
  6100  Educational services
  6200  Public administration
  6300  Other government functions
  6400  Public Safety
  6500  Health and human services
  6600  Religious institutions
  6700  Death care services