2022 NAICS national industry in sector 51 Information

519290 Web Search Portals and All Other Information Services

NAICS 519290 is the US industry code for web search portals and all other information services. It covers establishments primarily engaged in operating Web sites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format (and known as Web search portals) or providing other information services not elsewhere classified.

Code
519290 (2022 NAICS)
Title
Web Search Portals and All Other Information Services
Part of
Web Search Portals, Libraries, Archives, and Other Information Services
SBA small business limit
Up to 1,000 employees
Closest UK SIC
58110, 58120, 58130, 58190 and 7 more (details)

Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.

Official definition

This industry comprises establishments primarily engaged in operating Web sites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format (and known as Web search portals) or providing other information services not elsewhere classified. Establishments known as Web search portals often provide additional Internet services, such as email, connections to other Web sites, auctions, news, and other limited content.

Examples Census gives

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 519290

The Census index assigns these 11 activities to this code. If your business matches one, this is your code.

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 519290

To count as a small business for SBA loans and federal contracts under NAICS 519290, your business (including affiliates) must not exceed 1,000 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 5811, 5812, 5813, 5819, 5920, 6010, 6020, 6312, 6399, 9101), so treat them as a starting point and check the definition.

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

Data last changed November 14, 2026. How this page is built.