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	3,372,309
561110	Office Administrative Services	141,067
561210	Facilities Support Services	4,900
561311	Employment Placement Agencies	34,739
561312	Executive Search Services	6,080
561320	Temporary Help Services	28,879
561330	Professional Employer Organizations	849
561410	Document Preparation Services	7,794
561421	Telephone Answering Services	8,779
561422	Telemarketing Bureaus and Other Contact Centers	2,154
561431	Private Mail Centers	3,012
561439	Other Business Service Centers (including Copy Shops)	5,149
561440	Collection Agencies	6,979
561450	Credit Bureaus	1,699
561491	Repossession Services	1,716
561492	Court Reporting and Stenotype Services	11,925
561499	All Other Business Support Services	555,989
561510	Travel Agencies	70,847
561520	Tour Operators	10,660
561591	Convention and Visitors Bureaus	1,423
561599	All Other Travel Arrangement and Reservation Services	4,820
561611	Investigation Services	14,466
561612	Security Guards and Patrol Services	23,612
561613	Armored Car Services	5,176
561621	Security Systems Services (except Locksmiths)	13,862
561622	Locksmiths	16,184
561710	Exterminating and Pest Control Services	28,977
561720	Janitorial Services	128,766
561730	Landscaping Services	163,216
561740	Carpet and Upholstery Cleaning Services	22,782
561790	Other Services to Buildings and Dwellings	115,129
561910	Packaging and Labeling Services	4,075
561920	Convention and Trade Show Organizers	3,852
561990	All Other Support Services	1,877,462
562111	Solid Waste Collection	2,213
562112	Hazardous Waste Collection	290
562119	Other Waste Collection	228
562211	Hazardous Waste Treatment and Disposal	3,923
562212	Solid Waste Landfill	5,417
562213	Solid Waste Combustors and Incinerators	46
562219	Other Nonhazardous Waste Treatment and Disposal	5,037
562910	Remediation Services	2,804
562920	Materials Recovery Facilities	11,790
562991	Septic Tank and Related Services	11,934
562998	All Other Miscellaneous Waste Management Services	1,608