NAICS codes / 561990

NAICS 561990: All Other Support Services — open federal opportunities

17 open notices on SAM.gov. Top buyers: DEPT OF DEFENSE (12), STATE, DEPARTMENT OF (2), VETERANS AFFAIRS, DEPARTMENT OF (1), JUSTICE, DEPARTMENT OF (1).

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Home Country Support Services

HOMELAND SECURITY, DEPARTMENT OF · US CITIZENSHIP AND IMMIGRATION SERVICES · Sources Sought · posted Oct 30, 2026

NAICS 561990Due Nov 11, 2026Washington, DC

Electronic Key Management and Control System (Key Watcher)

STATE, DEPARTMENT OF · STATE, DEPARTMENT OF · Solicitation · posted Oct 29, 2026

NAICS 561990Due Nov 10, 2026

Social Media Manager & Press Secretary

JUSTICE, DEPARTMENT OF · OFFICES, BOARDS AND DIVISIONS · Sources Sought · posted Oct 28, 2026

NAICS 561990Due Nov 9, 2026TX

Call for Solutions - Europe Area Inventory

DEPT OF DEFENSE · DEFENSE COMMISSARY AGENCY (DECA) · Special Notice · posted Oct 28, 2026

NAICS 561990Due Nov 6, 2026Kaiserslautern, DE-RP

Diving Services for the Albany Field Office, Base Year plus Four Option Years

DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 28, 2026

NAICS 561990Small Business (total)Due Nov 5, 2026

Hotel and conference services for CLDC

STATE, DEPARTMENT OF · STATE, DEPARTMENT OF · Solicitation · posted Oct 27, 2026

NAICS 561990Due Nov 12, 2026

S216--Houston Doc Destruction Service (Shredding)

VETERANS AFFAIRS, DEPARTMENT OF · VETERANS AFFAIRS, DEPARTMENT OF · Sources Sought · posted Oct 27, 2026

NAICS 561990Due Nov 3, 2026

Reston Facility IT Disposal

DEPT OF DEFENSE · DEFENSE THREAT REDUCTION AGENCY (DTRA) · Combined Synopsis/Solicitation · posted Oct 27, 2026

NAICS 561990Small Business (total)Due Nov 9, 2026

SHRED SERVICES

DEPT OF DEFENSE · DEPT OF THE NAVY · Sources Sought · posted Oct 27, 2026

NAICS 561990Small Business (total)Due Nov 12, 2026Norfolk, VA

NAVSUP HQ & BSC Shredding Services FY27

DEPT OF DEFENSE · DEPT OF THE NAVY · Sources Sought · posted Oct 26, 2026

NAICS 561990Due Nov 4, 2026Mechanicsburg, PA

Reston Facility IT Disposal

DEPT OF DEFENSE · DEFENSE THREAT REDUCTION AGENCY (DTRA) · Combined Synopsis/Solicitation · posted Oct 26, 2026

NAICS 561990Small Business (total)Due Nov 9, 2026

PBUSE PERSONNEL CONTRACT FOLLOW ON

DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 26, 2026

NAICS 561990Due Nov 3, 2026

Diving Services for the Albany Field Office, Base Year plus Four Option Years

DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 21, 2026

NAICS 561990Small Business (total)Due Nov 5, 2026

PBUSE PERSONNEL CONTRACT FOLLOW ON

DEPT OF DEFENSE · DEPT OF THE ARMY · Solicitation · posted Oct 21, 2026

NAICS 561990Due Nov 3, 2026

125 IN BN Pre Deployment Yellow Ribbon November 2026

DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 19, 2026

NAICS 561990Small Business (total)Due Nov 3, 2026Novi, MI

125 IN BN Pre Deployment Yellow Ribbon November 2026

DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 6, 2026

NAICS 561990Small Business (total)Due Nov 3, 2026Novi, MI

125 IN BN Pre Deployment Yellow Ribbon November 2026

DEPT OF DEFENSE · DEPT OF THE ARMY · Combined Synopsis/Solicitation · posted Oct 5, 2026

NAICS 561990Small Business (total)Due Nov 3, 2026Novi, MI

Related NAICS codes (industry group 5619)

561920 Convention and Trade Show Organizers (5 open)
561910 Packaging and Labeling Services (3 open)

How NAICS codes decide small business size: NAICS codes for small business · notice types explained · set-asides