# NAICS 561990: All Other Support Services

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [561990 All Other Support Services](https://bidrover.com/naics/561990)

This industry comprises establishments primarily engaged in providing day-to-day business and other organizational support services (except office administrative services, facilities support services, employment services, business support services, travel arrangement and reservation services, security and investigation services, services to buildings and other structures, packaging and labeling services, and…

- NAICS code: 561990
- Title: All Other Support Services
- Sector: 56 Administrative and Support and Waste Management and Remediation Services
- Subsector: 561 Administrative and Support Services
- Industry group: 5619 Other Support Services
- SBA size standard: $16.5 million average annual receipts
- Open bids on BidRover: 3
- Updated: Oct 23, 2026

## Open bids (3)

- [WOJC - Fire Protection Systems Inspection, Testing, and Maintenance - December 1, 2026 to November 30, 2027](https://bidrover.com/bids/wojc-fire-protection-systems-inspection-testing-and-maintenance-december-1-2026--40cf72e8-04b3-4bcf-890c-313166844a80) — General procurement · Massachusetts, United States · due 2026-11-06
- [Monthly On-site Shredding Services NH26-004](https://bidrover.com/bids/monthly-on-site-shredding-services-nh26-004--d025d09c-8772-40fe-a318-aada0c5c533f) — Data & analytics · New Hampshire, United States · due 2027-05-31
- [MI 2026-11 Paper Shredding Services](https://bidrover.com/bids/mi-2026-11-paper-shredding-services--a6aa9975-9129-470f-91bb-8c37a03c0842) — Data & analytics · Florida, United States · due 2026-10-23

## Frequently asked questions

### What is NAICS code 561990?

NAICS 561990 is "All Other Support Services" in the 2022 North American Industry Classification System, in sector 56 (Administrative and Support and Waste Management and Remediation Services). This industry comprises establishments primarily engaged in providing day-to-day business and other organizational support services (except office administrative services, facilities support services, employment services, business support services, travel arrangement and reservation services, security and investigation services, services to buildings and other structures, packaging and labeling services, and…

### What is the SBA size standard for NAICS 561990?

A business is small under NAICS 561990 at or below $16.5 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 561990?

BidRover counts 3 open bids that cite NAICS 561990 as of Oct 23, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 561990 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [561110 Office Administrative Services](https://bidrover.com/naics/561110)
- [561210 Facilities Support Services](https://bidrover.com/naics/561210)
- [561910 Packaging and Labeling Services](https://bidrover.com/naics/561910)
- [561920 Convention and Trade Show Organizers](https://bidrover.com/naics/561920)
- [445298 All Other Specialty Food Retailers](https://bidrover.com/naics/445298)
- [541611 Administrative Management and General Management Consulting Services](https://bidrover.com/naics/541611)
- [813910 Business Associations](https://bidrover.com/naics/813910)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.