NAICS Code Drill-Down Tool Click on any Six Digit Code to see the Top Business Profiles within that Industry. NAICS Code Industry Title Business Count Collapse62149Other Outpatient Care Centers57,291621491HMO Medical Centers1,254621492Kidney Dialysis Centers10,808621493Freestanding Ambulatory Surgical and Emergency Centers4,291621498All Other Outpatient Care Centers40,938 Two-Digit NAICS Sectors Code Sector Title Code Sector Title 11Agriculture, Forestry, Fishing and Hunting53Real Estate Rental and Leasing21Mining54Professional, Scientific, and Technical Services22Utilities55Management of Companies and Enterprises23Construction56Administrative and Support and Waste… Services31-33Manufacturing61Educational Services42Wholesale Trade62Health Care and Social Assistance44-45Retail Trade71Arts, Entertainment, and Recreation48-49Transportation and Warehousing72Accommodation and Food Services51Information81Other Services (except Public Administration)52Finance and Insurance92Public Administration Click Here for Data Appends & Targeted Marketing Lists