NAICS 51921: Libraries and Archives
NAICS industry
Code facts
- Part of
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51
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519
- 5192
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519
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51
- Codes under it
- 1
- Contract awards
- 62 In the last 12 months
- Contract obligations
- $32,629,389 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $10,090 |
| FY2026 | $30,500,693 |
| FY2025 | $32,629,389 |
| FY2024 | $31,952,890 |
| FY2023 | $20,066,044 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Ebsco Information Services, LLC | $10,498,565 | |
| 2 | Dynamic Business Group, Inc. | $2,512,662 | |
| 3 | Elsevier Inc. | $2,259,513 | |
| 4 | Elsevier B.V. | $1,862,107 | |
| 5 | Government Solutions Group, LLC | $1,660,801 | |
| 6 | Institute Of Electrical & Electronics Engineers Inc. | $1,279,240 | |
| 7 | West Publishing Corporation | $1,229,248 | |
| 8 | Ex Libris USA Inc. | $733,758 | |
| 9 | Springer Nature Customer Service Center LLC | $607,807 | |
| 10 | Siertek, LTD. | $571,685 |
See the full FY2025 ranking of NAICS 51921 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Health and Human Services | $12,954,611 | |
| 2 | Air Force | $6,445,121 | |
| 3 | Department of Commerce | $3,665,383 | |
| 4 | Environmental Protection Agency | $1,313,467 | |
| 5 | Department of the Army | $1,192,763 | |
| 6 | Department of the Navy | $888,059 | |
| 7 | Department of Veterans Affairs | $505,985 | |
| 8 | DOD Education Activity | $482,487 | |
| 9 | Department of Homeland Security | $354,711 | |
| 10 | National Aeronautics and Space Administration | $341,154 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 7630 Newspapers and Periodicals | $17,885,415 | |
| 2 | R605 Library Services | $5,924,098 | |
| 3 | 7A21 IT and Telecom – Business Application Software (Perpetual License Software) | $1,862,776 | |
| 4 | R499 Other Professional Services | $687,948 | |
| 5 |
DA10 IT and Telecom – Business Application/ |
$524,465 | |
| 6 | R702 Data Collection Services | $482,794 | |
| 7 |
DA01 IT and Telecom – Business Application/ |
$482,487 | |
| 8 | 7H20 IT and Telecom – Platform Products: Database, Mainframe, Middleware (HW, Perpetual License Software) | $330,032 | |
| 9 | U009 Education Services | $305,072 | |
| 10 | R699 Other Administrative Support Services | $289,856 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Maryland | $13,298,186 | |
| 2 | Ohio | $5,163,177 | |
| 3 | New York | $2,445,196 | |
| 4 | Virginia | $2,438,065 | |
| 5 | Oklahoma | $1,660,801 | |
| 6 | District of Columbia | $1,522,679 | |
| 7 | Pennsylvania | $583,167 | |
| 8 | New Mexico | $571,685 | |
| 9 | Michigan | $509,012 | |
| 10 | New Jersey | $371,871 | |
| 11 | Missouri | $272,294 | |
| 12 | Colorado | $239,591 | |
| 13 | California | $217,881 | |
| 14 | Illinois | $171,751 | |
| 15 | North Carolina | $148,515 | |
| 16 | Connecticut | $140,001 | |
| 17 | Alaska | $112,460 | |
| 18 | Washington | $102,296 | |
| 19 | Texas | $87,231 | |
| 20 | Georgia | $86,775 | |
| 21 | Alabama | $83,145 | |
| 22 | Rhode Island | $64,607 | |
| 23 | Massachusetts | $53,097 | |
| 24 | Florida | $36,977 | |
| 25 | Utah | $21,108 | |
| 26 | South Carolina | $18,700 | |
| 27 | Arizona | $6,500 |
Show all 27
Contract opportunities
Show 40 more
Latest 50 of 391 listed here. See the rest on GovTribe.
Codes under 51921
| NAICS code | Size standard |
|---|---|
| 519210 Libraries and Archives | $21 million in average annual receipts |
Definition
This industry comprises establishments primarily engaged in providing library or archive services. These establishments are engaged in maintaining collections of documents (e.g., books, journals, newspapers, and music) and facilitating the use of such documents (recorded information regardless of its physical form and characteristics) as required to meet the informational, research, educational, or recreational needs of their user.
These establishments may also acquire, research, store, preserve, and generally make accessible to the public historical documents, photographs, maps, audio material, audiovisual material, and other archival material of historical interest. All or portions of these collections may be accessible electronically.
Quick answers
What is NAICS 51921?
NAICS 51921 is Libraries and Archives, a NAICS industry in NAICS 51, Information.
What codes are under NAICS 51921?
NAICS 51921 has one code under it with its own GovTribe page, 519210 Libraries and Archives.
How much do federal agencies spend under NAICS 51921?
Federal contracts under NAICS 51921 obligated $32,629,389 in fiscal year 2025 and $115,159,106 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 51921?
The contractors with the most obligated under NAICS 51921 in fiscal years 2026 and 2027 are Ebsco Information Services, LLC ($10,498,565); Dynamic Business Group, Inc. ($2,512,662); and Elsevier Inc. ($2,259,513).
Which agencies buy the most under NAICS 51921?
The agencies that obligated the most under NAICS 51921 in fiscal years 2026 and 2027 are Department of Health and Human Services ($12,954,611), Air Force ($6,445,121) and Department of Commerce ($3,665,383).
Which PSC codes are used with NAICS 51921?
The PSC codes with the most obligated under NAICS 51921 in fiscal years 2026 and 2027 are 7630 Newspapers and Periodicals, R605 Library Services and 7A21 IT and Telecom – Business Application Software (Perpetual License Software).
Where is the work under NAICS 51921 performed?
By place of performance, the states with the most contract obligations under NAICS 51921 over the last 12 months are Maryland ($13,298,186), Ohio ($5,163,177) and New York ($2,445,196).
What is the latest contract opportunity under NAICS 51921?
The latest contract opportunity under NAICS 51921 is Sole source astm compass subscription, special notice from Naval Sea Systems Command (Navy), posted October 21, 2026.
On GovTribe
See everything under NAICS 51921
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