Providing support services not classified elsewhere. Browse active federal contract opportunities classified under NAICS code 561990.
NAICS code 561990 covers businesses involved in providing support services not classified elsewhere. This classification falls under the Administrative & Support Services sector (code 56), which encompasses a wide range of related industries.
Federal agencies use NAICS code 561990 when posting contract opportunities related to all other support services on SAM.gov. If your business provides products or services in this area, registering with this NAICS code in SAM.gov will help you discover relevant solicitations and compete for federal contracts.
Small businesses with NAICS code 561990 may also qualify for set-aside programs including 8(a), HUBZone, WOSB (Women-Owned Small Business), and SDVOSB (Service-Disabled Veteran-Owned Small Business). Each NAICS code has a specific size standard that determines whether your business qualifies as "small" for that industry.