NAICS Industry Group 5611: Office Administrative Services
Industry group
Government contracts for this service: PSC R699 Other Administrative Support Services
Code facts
- Part of
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56
- 561
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56
- Codes under it
- 1
- Contract awards
- 291 In the last 12 months
- Contract obligations
- $655,300,333 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 | $13,757,504 |
| FY2026 | $435,313,388 |
| FY2025 | $655,300,333 |
| FY2024 | $788,605,366 |
| FY2023 | $853,403,419 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Koniag Brillient, LLC | $34,201,774 | |
| 2 | Kent Campa & Kate Inc. | $24,172,181 | |
| 3 | Agile Decision Sciences, LLC | $22,879,494 | |
| 4 | Bowhead Marine Support Services, LLC | $22,625,915 | |
| 5 | 1 - 8A Iso9001 Fedsync-Bfs, LLC | $22,374,354 | |
| 6 | Sciolex Corporation | $17,820,066 | |
| 7 | Katmai North America, LLC | $16,008,741 | |
| 8 | LMI Consulting, LLC | $14,951,954 | |
| 9 | Federal Staffing Resources, LLC | $13,775,044 | |
| 10 | Bowhead Marine Support Services LLC | $13,314,703 |
See the full FY2025 ranking of NAICS 5611 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $65,607,125 | |
| 2 | Defense Health Agency | $61,526,160 | |
| 3 | Department of the Army | $51,658,668 | |
| 4 | National Aeronautics and Space Administration | $48,992,418 | |
| 5 | Air Force | $47,438,690 | |
| 6 | Department of Health and Human Services | $30,089,696 | |
| 7 | Department of the Navy | $29,040,119 | |
| 8 | Department of State | $26,282,918 | |
| 9 | Department of Transportation | $14,476,700 | |
| 10 | Department of Energy | $14,303,616 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R699 Other Administrative Support Services | $252,369,640 | |
| 2 | R499 Other Professional Services | $53,822,811 | |
| 3 |
R408 Program Management/ |
$31,020,922 | |
| 4 | Q801 Medical Appointing Services | $16,536,459 | |
| 5 | U009 Education Services | $15,119,377 | |
| 6 | AC32 National Defense R&D Services; Defense-Related Activities; Applied Research | $14,951,954 | |
| 7 | R707 Contract, Procurement, and Acquisition Support Services | $9,031,488 | |
| 8 | R616 Administrative Support Services | $8,775,187 | |
| 9 | R799 Other Management Support Services | $7,611,933 | |
| 10 |
U008 Training/ |
$7,304,192 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $90,587,874 | |
| 2 | Maryland | $64,222,710 | |
| 3 | Texas | $61,815,659 | |
| 4 | District of Columbia | $36,301,751 | |
| 5 | Colorado | $24,772,510 | |
| 6 | Washington | $17,150,011 | |
| 7 | Missouri | $14,573,475 | |
| 8 | New Mexico | $11,327,221 | |
| 9 | North Carolina | $10,078,003 | |
| 10 | California | $9,493,332 | |
| 11 | Alabama | $6,685,094 | |
| 12 | Tennessee | $6,682,270 | |
| 13 | Kentucky | $5,619,067 | |
| 14 | Georgia | $5,359,218 | |
| 15 | Mississippi | $5,280,263 | |
| 16 | Hawaii | $4,582,597 | |
| 17 | Oklahoma | $4,082,290 | |
| 18 | Pennsylvania | $3,901,406 | |
| 19 | Florida | $3,064,674 | |
| 20 | Arizona | $2,916,816 | |
| 21 | Ohio | $2,547,944 | |
| 22 | South Carolina | $2,317,279 | |
| 23 | South Dakota | $2,208,458 | |
| 24 | Illinois | $1,538,233 | |
| 25 | Alaska | $1,323,698 | |
| 26 | Kansas | $1,276,930 | |
| 27 | Arkansas | $1,263,056 | |
| 28 | Massachusetts | $1,163,507 | |
| 29 | New Jersey | $1,084,212 | |
| 30 | Minnesota | $940,325 | |
| 31 | New York | $806,477 | |
| 32 | Puerto Rico | $704,897 | |
| 33 | Rhode Island | $561,324 | |
| 34 | Nevada | $319,899 | |
| 35 | Indiana | $315,001 | |
| 36 | Michigan | $295,442 | |
| 37 | Montana | $275,468 | |
| 38 | Wyoming | $269,063 | |
| 39 | North Dakota | $196,226 | |
| 40 | Louisiana | $156,735 | |
| 41 | Idaho | $154,697 | |
| 42 | Nebraska | $72,446 | |
| 43 | Oregon | $44,137 | |
| 44 | Connecticut | $29,114 |
Show all 44
Shares are of everything obligated under NAICS 5611 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 3,707 listed here. See the rest on GovTribe.
Codes under 5611
| NAICS code |
|---|
| 56111 Office Administrative Services |
Quick answers
What is NAICS 5611?
NAICS 5611 is Office Administrative Services, an industry group in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What codes are under NAICS 5611?
NAICS 5611 has one code under it with its own GovTribe page, 56111 Office Administrative Services.
How much do federal agencies spend under NAICS 5611?
Federal contracts under NAICS 5611 obligated $655,300,333 in fiscal year 2025 and $2,746,380,010 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 5611?
The contractors with the most obligated under NAICS 5611 in fiscal years 2026 and 2027 are Koniag Brillient, LLC ($34,201,774); Kent Campa & Kate Inc. ($24,172,181); and Agile Decision Sciences, LLC ($22,879,494).
Which agencies buy the most under NAICS 5611?
The agencies that obligated the most under NAICS 5611 in fiscal years 2026 and 2027 are Department of Homeland Security ($65,607,125), Defense Health Agency ($61,526,160) and Department of the Army ($51,658,668).
Which PSC codes are used with NAICS 5611?
The PSC codes with the most obligated under NAICS 5611 in fiscal years 2026 and 2027 are R699 Other Administrative Support Services, R499 Other Professional Services and R408 Program Management/
Where is the work under NAICS 5611 performed?
By place of performance, the states with the most contract obligations under NAICS 5611 over the last 12 months are Virginia ($90,587,874), Maryland ($64,222,710) and Texas ($61,815,659).
What is the latest contract opportunity under NAICS 5611?
The latest contract opportunity under NAICS 5611 is DHA Enterprise Referral Care Coordination Center Contract (RC3), special notice from Defense Health Agency, posted October 30, 2026.
On GovTribe
See everything under NAICS 5611
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