Codes Titles Number of US Businesses
56 Administrative and Support and Waste Management and Remediation Services 1,987,426
561110Office Administrative Services131,156
561210Facilities Support Services4,400
561311Employment Placement Agencies 26,697
561312Executive Search Services 4,367
561320Temporary Help Services20,882
561330Professional Employer Organizations590
561410Document Preparation Services4,047
561421Telephone Answering Services 5,407
561422Telemarketing Bureaus and Other Contact Centers 1,312
561431Private Mail Centers 1,823
561439Other Business Service Centers (including Copy Shops) 4,832
561440Collection Agencies4,855
561450Credit Bureaus1,116
561491Repossession Services 2,154
561492Court Reporting and Stenotype Services 7,435
561499All Other Business Support Services 185,585
561510Travel Agencies40,655
561520Tour Operators8,425
561591Convention and Visitors Bureaus 1,046
561599All Other Travel Arrangement and Reservation Services 3,491
561611Investigation Services 9,534
561612Security Guards and Patrol Services 15,652
561613Armored Car Services 3,933
561621Security Systems Services (except Locksmiths) 12,506
561622Locksmiths 8,977
561710Exterminating and Pest Control Services23,574
561720Janitorial Services 97,325
561730Landscaping Services119,617
561740Carpet and Upholstery Cleaning Services14,744
561790Other Services to Buildings and Dwellings 84,370
561910Packaging and Labeling Services3,102
561920Convention and Trade Show Organizers3,327
561990All Other Support Services1,093,243
562111Solid Waste Collection 1,791
562112Hazardous Waste Collection 246
562119Other Waste Collection 247
562211Hazardous Waste Treatment and Disposal 3,063
562212Solid Waste Landfill 4,118
562213Solid Waste Combustors and Incinerators 32
562219Other Nonhazardous Waste Treatment and Disposal 4,660
562910Remediation Services 2,515
562920Materials Recovery Facilities 9,652
562991Septic Tank and Related Services 9,679
562998All Other Miscellaneous Waste Management Services 1,244