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NAICS Code· 561990

All Other Support 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 convention and trade show organizing services). Illustrative Examples: Bartering services Flagging (i.e., traffic control) services Bottle exchanges Float decorating services Inventory taking services Contract meter reading services Lumber grading services Diving services on a contract or fee basis Cross-References. Establishments primarily engaged in--Show more

NAICS 561990 — All Other Support Services encompasses a broad array of specialized, non-standardized support functions that do not fit into more defined categories within the support services sector. This includes niche administrative, logistical, technical, and operational support services such as facility management, specialized staffing, medical logistics, maritime operations support, IT-enabled administrative services, and mission-critical ancillary functions that enable federal agencies to maintain operational continuity.

447
Active Contracts
$808.3M
Total Obligations (12mo)
1.2K
Awarded Contracts (12mo)
503
Contractors Awarded (12mo)
-49.0%
YoY Growth

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 561990All Other Support Services.

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NAICS 561990 FAQ

Frequently Asked Questions

NAICS code 561990 covers All Other Support 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 convention and trade show organizing services). Illustrative Examples: Bartering services Flagging (i.e., traffic control) services Bottle exchanges Float decorating services Inventory taking services Contract meter reading services Lumber grading services Diving services on a contract or fee basis Cross-References. Establishments primarily engaged in--

Recently Posted in All Other Support Services

NAICS: 561990
New
DIBBS
Temporary Traffic Control and SignageThe contract pertains to the installation and maintenance of temporary traffic control devices and signage during active construction phases, specifically scoped to support operations in Tracy, California, with a postal code of 95304-5000. It falls under the NAICS code 561990, indicating it is a professional, scientific, and technical service related to other support activities, and is classified as a subcontract within the Department of Defense’s ASC Commodities Division. The work is required to ensure public and worker safety by implementing and sustaining compliant traffic control measures throughout the duration of construction activities. All performance must adhere to applicable federal and state transportation standards for temporary traffic management systems. The solicitation was posted on July 13, 2026, with a strict response deadline of July 16, 2026, leaving a very limited window for interested parties to submit proposals. The contract does not specify a set-aside designation, meaning it is open to all qualified subcontractors regardless of business size or certification status. The place of performance is clearly defined as Tracy, though no additional office address or point of contact information is provided in the data. Proposals must be submitted through the DIBBS portal via the provided link, and contractors are expected to have the capability to mobilize rapidly, maintain consistent on-site traffic control operations, and support any adjustments required by evolving construction schedules.
ASC COMMODITIES DIVISION

POSTED

1 day ago

DEADLINE

in 2 days
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