Codes Titles Number of US Businesses
56 Administrative and Support and Waste Management and Remediation Services 1,869,409
561110Office Administrative Services132,589
561210Facilities Support Services4,368
561311Employment Placement Agencies 27,091
561312Executive Search Services 4,360
561320Temporary Help Services20,336
561330Professional Employer Organizations584
561410Document Preparation Services3,839
561421Telephone Answering Services 5,367
561422Telemarketing Bureaus and Other Contact Centers 1,283
561431Private Mail Centers 1,913
561439Other Business Service Centers (including Copy Shops) 4,753
561440Collection Agencies4,862
561450Credit Bureaus1,123
561491Repossession Services 2,136
561492Court Reporting and Stenotype Services 7,225
561499All Other Business Support Services 186,691
561510Travel Agencies41,110
561520Tour Operators8,366
561591Convention and Visitors Bureaus 1,091
561599All Other Travel Arrangement and Reservation Services 3,523
561611Investigation Services 9,414
561612Security Guards and Patrol Services 15,895
561613Armored Car Services 4,038
561621Security Systems Services (except Locksmiths) 13,189
561622Locksmiths 8,865
561710Exterminating and Pest Control Services23,917
561720Janitorial Services 98,539
561730Landscaping Services122,309
561740Carpet and Upholstery Cleaning Services14,686
561790Other Services to Buildings and Dwellings 88,445
561910Packaging and Labeling Services3,155
561920Convention and Trade Show Organizers3,453
561990All Other Support Services963,447
562111Solid Waste Collection 1,763
562112Hazardous Waste Collection 239
562119Other Waste Collection 249
562211Hazardous Waste Treatment and Disposal 3,116
562212Solid Waste Landfill 4,049
562213Solid Waste Combustors and Incinerators 31
562219Other Nonhazardous Waste Treatment and Disposal 4,740
562910Remediation Services 2,561
562920Materials Recovery Facilities 9,765
562991Septic Tank and Related Services 9,685
562998All Other Miscellaneous Waste Management Services 1,249