NAICS 51821: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
NAICS industry
Code facts
- Part of
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51
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518
- 5182
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518
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51
- Codes under it
- 1
- Contract awards
- 967 In the last 12 months
- Contract obligations
- $3,336,663,912 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 | $13,954,866 |
| FY2026 | $3,854,013,139 |
| FY2025 | $3,336,663,912 |
| FY2024 | $3,053,813,107 |
| FY2023 | $3,033,913,052 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Amazon Web Services, Inc. | $639,903,412 | |
| 2 | Microsoft Corporation | $212,301,894 | |
| 3 | International Business Machines Corporation | $195,369,046 | |
| 4 | Leidos, Inc. | $162,229,477 | |
| 5 | Acentra Health LLC | $133,732,080 | |
| 6 | Minburn Technology Group, LLC | $128,789,395 | |
| 7 | Govcio, LLC | $92,495,426 | |
| 8 | Databricks Federal LLC | $85,096,780 | |
| 9 | General Dynamics Information Technology, Inc. | $71,559,404 | |
| 10 | General Dynamics Mission Systems, Inc. | $69,296,547 |
See the full FY2025 ranking of NAICS 51821 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $571,412,686 | |
| 2 | Department of Veterans Affairs | $414,229,603 | |
| 3 | Air Force | $390,033,984 | |
| 4 | Department of Transportation | $339,366,475 | |
| 5 | Department of the Navy | $260,451,083 | |
| 6 | Department of the Army | $232,651,002 | |
| 7 | Department of Health and Human Services | $221,496,414 | |
| 8 | Department of Justice | $201,438,204 | |
| 9 | Department of Commerce | $169,178,815 | |
| 10 | Department of Agriculture | $129,882,671 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
DB10 IT and Telecom – Compute as a Service: Mainframe/ |
$671,238,986 | |
| 2 | R499 Other Professional Services | $449,405,734 | |
| 3 |
DA10 IT and Telecom – Business Application/ |
$427,825,921 | |
| 4 |
DA01 IT and Telecom – Business Application/ |
$392,126,895 | |
| 5 | 7A21 IT and Telecom – Business Application Software (Perpetual License Software) | $176,468,406 | |
| 6 | K017 Modification of Equipment: Aircraft Launching, Landing, and Ground Handling Equipment | $162,229,477 | |
| 7 | DH01 IT and Telecom – Platform Support Services: Database, Mainframe, Middleware (Labor) | $160,556,599 | |
| 8 | DH10 IT and Telecom – Platform as a Service: Database, Mainframe, Middleware | $138,597,655 | |
| 9 | DF10 IT and Telecom – IT Management as a Service | $125,708,200 | |
| 10 | R425 Engineering and Technical Services | $93,210,878 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $1,193,842,692 | |
| 2 | District of Columbia | $845,067,155 | |
| 3 | Maryland | $596,095,026 | |
| 4 | Washington | $305,932,679 | |
| 5 | Arizona | $102,601,272 | |
| 6 | Texas | $99,391,321 | |
| 7 | California | $95,720,094 | |
| 8 | Colorado | $55,175,219 | |
| 9 | Florida | $55,044,621 | |
| 10 | Alaska | $53,875,144 | |
| 11 | South Carolina | $45,188,073 | |
| 12 | New York | $37,329,521 | |
| 13 | Tennessee | $34,928,876 | |
| 14 | Oklahoma | $31,181,755 | |
| 15 | Ohio | $31,162,283 | |
| 16 | New Hampshire | $23,387,877 | |
| 17 | Massachusetts | $21,721,086 | |
| 18 | Illinois | $21,707,345 | |
| 19 | Georgia | $19,574,306 | |
| 20 | North Carolina | $18,918,869 | |
| 21 | Alabama | $18,745,999 | |
| 22 | New Jersey | $12,484,017 | |
| 23 | Pennsylvania | $9,507,288 | |
| 24 | Utah | $9,200,120 | |
| 25 | Wisconsin | $8,882,881 | |
| 26 | Connecticut | $7,306,714 | |
| 27 | Nevada | $7,081,229 | |
| 28 | Minnesota | $6,738,541 | |
| 29 | Michigan | $6,533,458 | |
| 30 | Kansas | $4,606,135 | |
| 31 | Missouri | $4,374,980 | |
| 32 | Delaware | $3,936,868 | |
| 33 | Kentucky | $3,340,135 | |
| 34 | Indiana | $3,058,247 | |
| 35 | Montana | $2,735,386 | |
| 36 | Hawaii | $2,474,502 | |
| 37 | South Dakota | $2,257,132 | |
| 38 | New Mexico | $1,985,455 | |
| 39 | West Virginia | $1,747,268 | |
| 40 | North Dakota | $1,724,213 | |
| 41 | Louisiana | $1,672,616 | |
| 42 | Mississippi | $1,592,202 | |
| 43 | Oregon | $1,545,603 | |
| 44 | Nebraska | $1,266,157 | |
| 45 | Iowa | $912,328 | |
| 46 | Wyoming | $885,829 | |
| 47 | Vermont | $719,489 | |
| 48 | Maine | $693,521 | |
| 49 | Arkansas | $663,056 | |
| 50 | Idaho | $503,174 | |
| 51 | Puerto Rico | $417,697 | |
| 52 | Rhode Island | $412,608 | |
| 53 | Guam | $55,376 | |
| 54 | U.S. Virgin Islands | $50,376 | |
| 55 | Northern Mariana Islands | $13,268 |
Show all 55
Shares are of everything obligated under NAICS 51821 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 9,470 listed here. See the rest on GovTribe.
Codes under 51821
| NAICS code | Size standard |
|---|---|
| 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
Definition
This industry comprises establishments primarily engaged in providing computing infrastructure, data processing services, Web hosting services (except software publishing), and related services, including streaming support services (except streaming distribution services). Data processing establishments provide complete processing and specialized reports from data supplied by clients or provide automated data processing and data entry services.
Illustrative examples
- Application hosting
- Application service providers (ASPs)
- ASPs (Application Service Providers)
- Automated data processing services
- Computer data storage services
- Computer input preparation services
- Computer time leasing
- Computer time rental
- Computer time sharing services
- Data capture imaging services
- Data entry services
- Data processing computer services
- Data processing services (except payroll services, financial transaction processing services)
- Disk and diskette conversion services
- Disk and diskette recertification services
- Electronic data processing services
- Media streaming services
- Microfiche recording and imaging services
- Microfilm recording and imaging services
- Optical scanning services
- Scanning services, optical
- Video and audio streaming services
- Web hosting
Show all 23
Quick answers
What is NAICS 51821?
NAICS 51821 is Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services, a NAICS industry in NAICS 51, Information.
What is the NAICS code for web hosting?
The NAICS code for web hosting is 518210, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Its SBA small business size standard is $40 million in average annual receipts.
What is the NAICS code for application hosting?
The NAICS code for application hosting is 518210, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Its SBA small business size standard is $40 million in average annual receipts.
What is the NAICS code for data entry services?
The NAICS code for data entry services is 518210, Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Its SBA small business size standard is $40 million in average annual receipts.
What codes are under NAICS 51821?
NAICS 51821 has one code under it with its own GovTribe page, 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services.
How much do federal agencies spend under NAICS 51821?
Federal contracts under NAICS 51821 obligated $3,336,663,912 in fiscal year 2025 and $13,292,358,075 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 51821?
The contractors with the most obligated under NAICS 51821 in fiscal years 2026 and 2027 are Amazon Web Services, Inc. ($639,903,412); Microsoft Corporation ($212,301,894); and International Business Machines Corporation ($195,369,046).
Which agencies buy the most under NAICS 51821?
The agencies that obligated the most under NAICS 51821 in fiscal years 2026 and 2027 are Department of Homeland Security ($571,412,686), Department of Veterans Affairs ($414,229,603) and Air Force ($390,033,984).
Which PSC codes are used with NAICS 51821?
The PSC codes with the most obligated under NAICS 51821 in fiscal years 2026 and 2027 are DB10 IT and Telecom – Compute as a Service: Mainframe/
Where is the work under NAICS 51821 performed?
By place of performance, the states with the most contract obligations under NAICS 51821 over the last 12 months are Virginia ($1,193,842,692), the District of Columbia ($845,067,155) and Maryland ($596,095,026).
What is the latest contract opportunity under NAICS 51821?
The latest contract opportunity under NAICS 51821 is Law Enforcement Investigative Database Subscription, pre-solicitation from Immigration and Customs Enforcement, posted October 22, 2026.
On GovTribe
See everything under NAICS 51821
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