Codes Titles Number of US Businesses
56 Administrative and Support and Waste Management and Remediation Services 2,001,369
561110Office Administrative Services127,369
561210Facilities Support Services4,385
561311Employment Placement Agencies 27,063
561312Executive Search Services 4,466
561320Temporary Help Services21,333
561330Professional Employer Organizations609
561410Document Preparation Services4,088
561421Telephone Answering Services 5,486
561422Telemarketing Bureaus and Other Contact Centers 1,329
561431Private Mail Centers 1,802
561439Other Business Service Centers (including Copy Shops) 4,887
561440Collection Agencies4,955
561450Credit Bureaus1,102
561491Repossession Services 2,153
561492Court Reporting and Stenotype Services 7,495
561499All Other Business Support Services 177,327
561510Travel Agencies40,092
561520Tour Operators8,526
561591Convention and Visitors Bureaus 1,068
561599All Other Travel Arrangement and Reservation Services 3,509
561611Investigation Services 9,705
561612Security Guards and Patrol Services 15,900
561613Armored Car Services 3,941
561621Security Systems Services (except Locksmiths) 12,644
561622Locksmiths 9,235
561710Exterminating and Pest Control Services23,775
561720Janitorial Services 96,220
561730Landscaping Services116,251
561740Carpet and Upholstery Cleaning Services14,864
561790Other Services to Buildings and Dwellings 79,889
561910Packaging and Labeling Services3,129
561920Convention and Trade Show Organizers3,302
561990All Other Support Services1,126,283
562111Solid Waste Collection 1,809
562112Hazardous Waste Collection 248
562119Other Waste Collection 247
562211Hazardous Waste Treatment and Disposal 3,080
562212Solid Waste Landfill 4,120
562213Solid Waste Combustors and Incinerators 32
562219Other Nonhazardous Waste Treatment and Disposal 4,618
562910Remediation Services 2,493
562920Materials Recovery Facilities 9,593
562991Septic Tank and Related Services 9,728
562998All Other Miscellaneous Waste Management Services 1,219