How do I register NAICS 519290 on SAM.gov?

To register NAICS 519290 (Web Search Portals, Libraries, Archives, and Other Information Services) on SAM.gov, log in to your entity registration at SAM.gov, navigate to the NAICS codes section of your registration, and add 519290 to your list of applicable codes. You can add multiple NAICS codes that reflect your business capabilities. After updating, your registration must be renewed annually to remain active.

What set-asides are available for Web Search Portals, Libraries, Archives, and Other Information Services?

Common set-aside programs for NAICS 519290 contracts include: Small Business, 8(a), WOSB. The availability of specific set-asides depends on the individual solicitation and the contracting officer's market research findings. Small business set-asides require certification through SAM.gov, while 8(a), HUBZone, WOSB, and SDVOSB programs require additional SBA certifications.

What size standard applies to NAICS 519290?

The SBA size standard for NAICS 519290 (Web Search Portals, Libraries, Archives, and Other Information Services) is set by the SBA and determines whether a firm qualifies as a small business for set-aside competition. Size standards are expressed as either annual average receipts or number of employees depending on the industry. Check the current SBA size standards table at sba.gov/size-standards or SAM.gov for the specific threshold applicable to your bid.

NAICS 51929051 - Information

519290 — Web Search Portals, Libraries, Archives, and Other Information Services

Last updated: April 2026

Researched by the BidStride Research Team

This code covers digital information services, library operations, archival services, and web-based information portals. Federal agencies contract for digital library management, archival systems development, information management, and web portal operations to serve public and agency needs.

Federal contracts under NAICS 519290 appear across multiple procurement vehicles including SAM.gov open market solicitations, GSA Schedule task orders, and agency-specific IDIQ contracts. Contractors registered in this NAICS code should maintain an active SAM.gov registration and ensure their capabilities statement reflects specific experience within this industry classification.

Typical contract types in this NAICS include Firm Fixed Price (FFP) for well-defined deliverables, Time and Materials (T&M) for services with variable scope, and Cost-Plus for research and development programs. The typical contract range of $100K - $10M reflects the majority of awards, though individual contracts may fall outside this range depending on scope and agency requirements.

Top Federal Agencies

Library of Congress
National Archives
Department of Defense
General Services Administration

Typical Contract Details

Contract Range: $100K - $10M
Common Set-Asides: Small Business8(a)WOSB
Contract Types: FFP, T&M, Cost-Plus (program dependent)

Common Compliance Requirements

Contracts under NAICS 519290 frequently reference these FAR and DFARS clauses. Review them before submitting a proposal.

Always verify applicable clauses in the actual solicitation. Clause applicability depends on contract type, value, and agency requirements.

Frequently Asked Questions

How do I register NAICS 519290 on SAM.gov?
To register NAICS 519290 (Web Search Portals, Libraries, Archives, and Other Information Services) on SAM.gov, log in to your entity registration at SAM.gov, navigate to the NAICS codes section of your registration, and add 519290 to your list of applicable codes. You can add multiple NAICS codes that reflect your business capabilities. After updating, your registration must be renewed annually to remain active.
What set-asides are available for Web Search Portals, Libraries, Archives, and Other Information Services?
Common set-aside programs for NAICS 519290 contracts include: Small Business, 8(a), WOSB. The availability of specific set-asides depends on the individual solicitation and the contracting officer's market research findings. Small business set-asides require certification through SAM.gov, while 8(a), HUBZone, WOSB, and SDVOSB programs require additional SBA certifications.
How many Web Search Portals, Libraries, Archives, and Other Information Services contracts are posted per month?
NAICS 519290 (Web Search Portals, Libraries, Archives, and Other Information Services) contracts are posted regularly on SAM.gov, with volume varying by fiscal quarter. Federal procurement peaks in Q4 (July–September) as agencies exhaust year-end budgets. Typical contract sizes in this code range $100K - $10M. The top federal buyers include Library of Congress, National Archives, Department of Defense.
What size standard applies to NAICS 519290?
The SBA size standard for NAICS 519290 (Web Search Portals, Libraries, Archives, and Other Information Services) is set by the SBA and determines whether a firm qualifies as a small business for set-aside competition. Size standards are expressed as either annual average receipts or number of employees depending on the industry. Check the current SBA size standards table at sba.gov/size-standards or SAM.gov for the specific threshold applicable to your bid.

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