NAICS 56 - Administrative and Support and Waste Management and Remediation Services

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Related NAICS Codes for NAICS 56

Click on any NAICS code to explore that specific industry within NAICS 56

NAICS Code Industry Title
561110 Office Administrative Services
561210 Facilities Support Services
561311 Employment Placement Agencies
561312 Executive Search Services
561320 Temporary Help Services
561330 Professional Employer Organizations
561410 Document Preparation Services
561421 Telephone Answering Services
561422 Telemarketing Bureaus and Other Contact Centers
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 and Personal Background Check 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
562111 Solid Waste Collection
562112 Hazardous Waste Collection
562119 Other Waste Collection
562211 Hazardous Waste Treatment and Disposal
562212 Solid Waste Landfill
562213 Solid Waste Combustors and Incinerators
562219 Other Nonhazardous Waste Treatment and Disposal
562910 Remediation Services
562920 Materials Recovery Facilities
562991 Septic Tank and Related Services
562998 All Other Miscellaneous Waste Management Services

What is NAICS 56

NAICS code 56 encompasses the Administrative and Support and Waste Management and Remediation Services sector, which includes establishments that provide routine support services essential for the daily operations of various organizations. These services range from office administration and human resource support to security, cleaning, and waste disposal. Businesses operating in this sector specialize in delivering these support functions either on a contractual basis or as part of a larger enterprise. Government agencies frequently contract these services to maintain operational efficiency, ensure compliance with regulations, and support public programs without overextending internal resources. The sector plays a crucial role in allowing agencies to focus on their core missions while outsourcing support activities to specialized providers.

Industry Classification for NAICS 56

The Sector as a Whole

The Administrative and Support and Waste Management and Remediation Services sector comprises establishments performing routine support activities for the day-to-day operations of other organizations. These essential activities are often undertaken in-house by establishments in many sectors of the economy. The establishments in this sector specialize in one or more of these support activities and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: office administration, hiring and placing of personnel, document preparation and similar clerical services, solicitation, collection, security and surveillance services, cleaning, and waste disposal services.

The administrative and management activities performed by establishments in this sector are typically on a contract or fee basis. These activities may also be performed by establishments that are part of the company or enterprise. However, establishments involved in administering, overseeing, and managing other establishments of the company or enterprise are classified in Sector 55, Management of Companies and Enterprises. Establishments in Sector 55, Management of Companies and Enterprises, normally undertake the strategic and organizational planning and decision-making role of the company or enterprise. Government establishments engaged in administering, overseeing, and managing governmental programs are classified in Sector 92, Public Administration.

Breakdown for NAICS 56

  • Sector includes establishments providing routine support services to other organizations.
  • Services cover administrative functions, security, cleaning, staffing, and waste disposal.
  • Businesses typically operate on a contract or fee-for-service basis.
  • Excludes management of companies, which is classified under Sector 55.
  • Government agencies contract these services to augment internal capabilities.
  • Includes specialized environmental remediation and surveillance services.

Included Activities for NAICS 56

  • Office administration and clerical support services.
  • Hiring, placement, and temporary staffing of personnel.
  • Security and surveillance services for facilities and assets.
  • Cleaning and janitorial services for government buildings.
  • Waste collection, disposal, and environmental remediation.
  • Document preparation and solicitation support.
  • Contract management and administrative oversight.
  • Customer and client support service functions.

Business Types for NAICS 56

  • Administrative support service firms.
  • Security and surveillance companies.
  • Waste management and environmental remediation contractors.
  • Staffing and employment agencies.
  • Cleaning and janitorial service providers.
  • Facilities management service companies.

Government Buyers for NAICS 56

Federal, state, and local government agencies are primary buyers of services under NAICS code 56. Agencies such as the Department of Defense, General Services Administration, Environmental Protection Agency, and various municipal governments require administrative support, security services, personnel staffing, and waste management to maintain their operations and public services. These agencies rely on external contractors to provide flexible, scalable, and cost-effective solutions that meet regulatory standards and operational demands, especially for specialized functions like environmental remediation and contract staffing.

Contract Types & Procurement for NAICS 56

Contracts awarded under this NAICS code often include firm-fixed-price, cost-reimbursement, and time-and-materials agreements depending on the service complexity and duration. Procurement methods range from competitive sealed bidding and negotiated procurements to simplified acquisition procedures for smaller projects. Contract values can vary widely, from small-scale cleaning and clerical services contracts to multi-million-dollar agreements for comprehensive security or remediation support. Blanket purchase agreements and indefinite delivery/indefinite quantity (IDIQ) contracts are commonly used to provide ongoing administrative and support services.

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