NAICS Subsector 519: Web Search Portals, Libraries, Archives, and Other Information Services
Subsector
Definition
Industries in the Web Search Portals, Libraries, Archives, and Other Information Services subsector group establishments supplying information, storing and providing access to information, searching and retrieving information, and operating Web sites that use search engines to allow for searching information on the Internet. The main components of the subsector are libraries, archives, and Web search portals.
Code facts
- Part of
-
- 51
- Codes under it
- 2
- Contract awards
- 743 In the last 12 months
- Contract obligations
- $498,143,325 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $6,716,534 |
| FY2026 | $435,556,444 |
| FY2025 | $498,143,325 |
| FY2024 | $607,756,813 |
| FY2023 | $580,759,353 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | West Publishing Corporation | $52,585,414 | |
| 2 | Relx Inc. | $33,662,409 | |
| 3 | Ebsco Information Services, LLC | $23,704,989 | |
| 4 | American Chemical Society | $21,643,669 | |
| 5 | Cox Subscriptions, Inc. | $19,148,140 | |
| 6 | Allium US Holding LLC | $17,106,593 | |
| 7 | Uptodate, Inc. | $14,426,880 | |
| 8 | S&P Global Market Intelligence LLC | $12,059,016 | |
| 9 | Bloomberg Finance LP | $11,272,883 | |
| 10 | Gartner, Inc. | $10,261,292 |
See the full FY2025 ranking of NAICS 519 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Veterans Affairs | $45,937,395 | |
| 2 | Department of Homeland Security | $41,598,198 | |
| 3 | Department of Commerce | $40,313,158 | |
| 4 | Department of the Treasury | $38,828,052 | |
| 5 | Department of Health and Human Services | $34,326,343 | |
| 6 | Department of State | $19,949,140 | |
| 7 | Department of the Army | $17,963,257 | |
| 8 | Department of Justice | $16,426,557 | |
| 9 | Defense Health Agency | $15,353,119 | |
| 10 | Air Force | $14,723,026 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 7630 Newspapers and Periodicals | $73,453,618 | |
| 2 | R605 Library Services | $71,219,508 | |
| 3 |
DA10 IT and Telecom – Business Application/ |
$61,135,435 | |
| 4 | R612 Information Retrieval | $41,539,053 | |
| 5 | 7A21 IT and Telecom – Business Application Software (Perpetual License Software) | $25,639,355 | |
| 6 | DH10 IT and Telecom – Platform as a Service: Database, Mainframe, Middleware | $24,826,217 | |
| 7 | 7H20 IT and Telecom – Platform Products: Database, Mainframe, Middleware (HW, Perpetual License Software) | $14,291,717 | |
| 8 | 7610 Books and Pamphlets | $13,036,897 | |
| 9 | R702 Data Collection Services | $12,414,825 | |
| 10 | R499 Other Professional Services | $11,674,639 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | District of Columbia | $109,416,379 | |
| 2 | Virginia | $58,671,587 | |
| 3 | Maryland | $39,467,756 | |
| 4 | Ohio | $38,102,220 | |
| 5 | New York | $29,296,386 | |
| 6 | Minnesota | $27,388,171 | |
| 7 | North Carolina | $21,946,908 | |
| 8 | Massachusetts | $16,397,316 | |
| 9 | Colorado | $9,746,699 | |
| 10 | Michigan | $7,062,969 | |
| 11 | Texas | $6,847,182 | |
| 12 | Illinois | $6,775,571 | |
| 13 | Washington | $6,398,609 | |
| 14 | Nebraska | $6,019,475 | |
| 15 | Alabama | $5,641,083 | |
| 16 | Pennsylvania | $5,163,047 | |
| 17 | California | $4,338,531 | |
| 18 | Oklahoma | $3,990,247 | |
| 19 | New Hampshire | $3,601,180 | |
| 20 | Georgia | $3,313,381 | |
| 21 | New Jersey | $2,398,778 | |
| 22 | Connecticut | $2,009,471 | |
| 23 | Arizona | $1,951,749 | |
| 24 | Florida | $1,493,239 | |
| 25 | Tennessee | $1,059,616 | |
| 26 | New Mexico | $999,142 | |
| 27 | Louisiana | $971,773 | |
| 28 | South Carolina | $840,130 | |
| 29 | Missouri | $764,071 | |
| 30 | Utah | $529,571 | |
| 31 | Rhode Island | $414,959 | |
| 32 | Delaware | $257,300 | |
| 33 | Oregon | $165,329 | |
| 34 | Alaska | $114,833 | |
| 35 | Wisconsin | $76,692 | |
| 36 | Kentucky | $62,937 | |
| 37 | Hawaii | $50,538 | |
| 38 | Nevada | $49,234 | |
| 39 | Iowa | $45,436 | |
| 40 | Kansas | $34,109 | |
| 41 | Mississippi | $12,000 | |
| 42 | Wyoming | $4,781 |
Show all 42
Shares are of everything obligated under NAICS 519 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 14,673 listed here. See the rest on GovTribe.
Codes under 519
Quick answers
What is NAICS 519?
NAICS 519 is Web Search Portals, Libraries, Archives, and Other Information Services, a subsector in NAICS 51, Information.
What codes are under NAICS 519?
NAICS 519 has 2 codes under it with their own GovTribe pages: 5191 Other Information Services and 5192 Web Search Portals, Libraries, Archives, and Other Information Services.
How much do federal agencies spend under NAICS 519?
Federal contracts under NAICS 519 obligated $498,143,325 in fiscal year 2025 and $2,128,932,469 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 519?
The contractors with the most obligated under NAICS 519 in fiscal years 2026 and 2027 are West Publishing Corporation ($52,585,414); Relx Inc. ($33,662,409); and Ebsco Information Services, LLC ($23,704,989).
Which agencies buy the most under NAICS 519?
The agencies that obligated the most under NAICS 519 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($45,937,395), Department of Homeland Security ($41,598,198) and Department of Commerce ($40,313,158).
Which PSC codes are used with NAICS 519?
The PSC codes with the most obligated under NAICS 519 in fiscal years 2026 and 2027 are 7630 Newspapers and Periodicals, R605 Library Services and DA10 IT and Telecom – Business Application/
Where is the work under NAICS 519 performed?
By place of performance, the states with the most contract obligations under NAICS 519 over the last 12 months are the District of Columbia ($109,416,379), Virginia ($58,671,587) and Maryland ($39,467,756).
What is the latest contract opportunity under NAICS 519?
The latest contract opportunity under NAICS 519 is Notice of intent to sole source – lyrasis, INC, special notice from MICC Fort Eustis, posted November 12, 2026.
On GovTribe
See everything under NAICS 519
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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