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 2,420,355
561110Office Administrative Services132,967
561210Facilities Support Services4,578
561311Employment Placement Agencies 29,182
561312Executive Search Services 5,102
561320Temporary Help Services23,130
561330Professional Employer Organizations779
561410Document Preparation Services5,783
561421Telephone Answering Services 6,813
561422Telemarketing Bureaus and Other Contact Centers 1,695
561431Private Mail Centers 2,436
561439Other Business Service Centers (including Copy Shops) 4,146
561440Collection Agencies5,650
561450Credit Bureaus1,371
561491Repossession Services 1,512
561492Court Reporting and Stenotype Services 9,612
561499All Other Business Support Services 364,209
561510Travel Agencies50,695
561520Tour Operators8,767
561591Convention and Visitors Bureaus 1,345
561599All Other Travel Arrangement and Reservation Services 4,149
561611Investigation Services 11,596
561612Security Guards and Patrol Services 19,473
561613Armored Car Services 4,202
561621Security Systems Services (except Locksmiths) 12,886
561622Locksmiths 12,828
561710Exterminating and Pest Control Services25,389
561720Janitorial Services 103,902
561730Landscaping Services138,485
561740Carpet and Upholstery Cleaning Services18,197
561790Other Services to Buildings and Dwellings 88,107
561910Packaging and Labeling Services3,525
561920Convention and Trade Show Organizers3,675
561990All Other Support Services1,272,828
562111Solid Waste Collection 2,051
562112Hazardous Waste Collection 281
562119Other Waste Collection 232
562211Hazardous Waste Treatment and Disposal 3,458
562212Solid Waste Landfill 4,980
562213Solid Waste Combustors and Incinerators 39
562219Other Nonhazardous Waste Treatment and Disposal 4,663
562910Remediation Services 2,651
562920Materials Recovery Facilities 11,145
562991Septic Tank and Related Services 10,409
562998All Other Miscellaneous Waste Management Services 1,432

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