Six-Digit NAICS Codes & Titles

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Codes Titles Number of US Businesses
56 Administrative and Support and Waste Management and Remediation Services 3,375,438
561110Office Administrative Services140,476
561210Facilities Support Services4,866
561311Employment Placement Agencies 34,803
561312Executive Search Services 6,093
561320Temporary Help Services28,978
561330Professional Employer Organizations854
561410Document Preparation Services7,811
561421Telephone Answering Services 8,745
561422Telemarketing Bureaus and Other Contact Centers 2,162
561431Private Mail Centers 3,011
561439Other Business Service Centers (including Copy Shops) 5,171
561440Collection Agencies6,989
561450Credit Bureaus1,701
561491Repossession Services 1,716
561492Court Reporting and Stenotype Services 11,955
561499All Other Business Support Services 555,535
561510Travel Agencies70,835
561520Tour Operators10,685
561591Convention and Visitors Bureaus 1,430
561599All Other Travel Arrangement and Reservation Services 4,828
561611Investigation Services 14,500
561612Security Guards and Patrol Services 23,454
561613Armored Car Services 5,186
561621Security Systems Services (except Locksmiths) 13,759
561622Locksmiths 16,215
561710Exterminating and Pest Control Services29,020
561720Janitorial Services 128,731
561730Landscaping Services163,026
561740Carpet and Upholstery Cleaning Services22,827
561790Other Services to Buildings and Dwellings 114,295
561910Packaging and Labeling Services4,083
561920Convention and Trade Show Organizers3,847
561990All Other Support Services1,882,638
562111Solid Waste Collection 2,216
562112Hazardous Waste Collection 289
562119Other Waste Collection 226
562211Hazardous Waste Treatment and Disposal 3,926
562212Solid Waste Landfill 5,413
562213Solid Waste Combustors and Incinerators 44
562219Other Nonhazardous Waste Treatment and Disposal 5,042
562910Remediation Services 2,781
562920Materials Recovery Facilities 11,726
562991Septic Tank and Related Services 11,944
562998All Other Miscellaneous Waste Management Services 1,606