Subsector 561 – Administrative and Support Services
561110
 Office Administrative Services
561210
 Facilities Support Services 
561310
 Employment Placement Agencies
561320
 Temporary Help Services
561330
Employee Leasing Services
561410
 Document Preparation Services
561421
 Telephone Answering Services
561422
 Telemarketing Bureaus
561431
 Private Mail Centers
561439
 Other Business Service Centers (including Copy Shops)
561440
 Collection Agencies
561450
 Credit Bureaus
561491
 Repossession Services
561492
 Court Reporting and Stenotype Services
561499
 All Other Business Support Services
561510
 Travel Agencies 
561520
 Tour Operators 
561591
 Convention and Visitors Bureaus
561599
 All Other Travel Arrangement and Reservation Services
561611
 Investigation Services
561612
 Security Guards and Patrol Services
561613
 Armored Car Services
561621
 Security Systems Services (except Locksmiths)
561622
 Locksmiths
561710
 Exterminating and Pest Control Services
561720
 Janitorial Services
561730
 Landscaping Services
561740
 Carpet and Upholstery Cleaning Services
561790
 Other Services to Buildings and Dwellings
561910
 Packaging and Labeling Services
561920
 Convention and Trade Show Organizers 
561990
 All Other Support Services