NAICS Industry Group 5611: Office Administrative Services

Industry group

Code facts

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

Top funding agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of Homeland Security $65,607,125
2 Defense Health Agency Department of Defense $61,526,160
3 Department of the Army Department of Defense $51,658,668
4 National Aeronautics and Space Administration $48,992,418
5 Air Force Department of Defense $47,438,690
6 Department of Health and Human Services $30,089,696
7 Department of the Navy Department of Defense $29,040,119
8 Department of State $26,282,918
9 Department of Transportation $14,476,700
10 Department of Energy $14,303,616

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

Notice Posted Due
DHA Enterprise Referral Care Coordination Center Contract (RC3) Special Notice · Defense Health Agency
Geographic Information System (GIS) support, prepa Solicitation
Request for Information: Systems Engineering Support Services Pre-Solicitation · Naval Supply Systems Command (Navy)
Digital Masons Subscription Limited / Sole Source Justification · Office of Acquisition Management —
DHR Installation Administrative Services FY27-30 Solicitation · MICC Fort Eustis
595th Transportation Brigade Logistics Support Services Deployment and Distribution Service Support (D2S2) Award Notice · United States Transportation Command —
US Top Level Domain (usTLD) Registry Management Services Award Notice · Office of the Secretary —
NSWC Carderock Division CAC Office Support Services Special Notice · Naval Sea Systems Command (Navy) —
Maintenance Management Specialist Award Notice · Marine Corps (Navy) · M6700126P0125 —
AbilityOne Department of War Contract Management Services IDIQ Award Notice · Washington Headquarters Service —
Health Information Management Support Services Solicitation · Office of Logisitics and Acquisition Operations (NIH)
Administrative Support Services Award Notice · Marine Corps (Navy) —
Information resource center services Award Notice · United States Trade and Development Agency —
USAG DHR, Fort Bragg ID Card Services Award Notice · Mission and Installation Contracting Command (AMC) —
GUAM ARMY NATIONAL GUARD RECRUITING and RETENTION BATTALION ADMINISTRATIVE ASSISTANT SUPPORT SERVICES Award Notice · Army National Guard · W911YU26QA013 —
CBP Hiring Center Admin Services Bridge Task Order Limited / Sole Source Justification · Customs and Border Protection —
USARC DEERS Support Services Award Notice · Mission and Installation Contracting Command (AMC) —
Multiple Award Schedule Award Notice · Federal Acquisition Service
Maintenance Management Specialist Solicitation · Marine Corps (Navy) · M6700126Q0112
Logistics and Administrative Support Services Pre-Solicitation · ACC Redstone
Office Management Services Award Notice · Naval Sea Systems Command (Navy) · N6660426P0175 —
Medical Coding, Auditing, and Data Entry Support Services (IEE/ISBEE Concerns) Solicitation
Casualty Administrative Support Services (CASS) Pre-Solicitation · MICC Fort Sam Houston
Maintenance Management Specialist Pre-Solicitation · Marine Corps (Navy) · M6700126Q0112
Made in USA Expo Series support for U. S Embassy Tashkent, Uzbekistan. Solicitation · Department of State
Transition Assistance Program (TAP) Data Entry / Front Desk Clerk Solicitation · Pacific Air Forces (USAF)
Contract Business Analyst Solicitation · Defense Health Agency
GUAM ARMY NATIONAL GUARD RECRUITING and RETENTION BATTALION ADMINISTRATIVE ASSISTANT SUPPORT SERVICES Solicitation · Army National Guard · W911YU26QA013
55th WG Executive Assistant Offutt AFB, NE Solicitation · Air Combat Command (USAF)
NIH Medical Support Assistants Award Notice · Office of Logisitics and Acquisition Operations (NIH) · NOA-NIH-OD-26-000008-2 —
NIH Medical Support Assistants Award Notice · Office of Logisitics and Acquisition Operations (NIH) · NOA-NIH-OD-26-000008 —
Professional and administrative support services Special Notice · Department of the Army
HAFB Front Desk Data Entry Specialist Solicitation · AFLCMC Hanscom AFB
SSC-vincent garcia Award Notice · Office of Acquisitions and Grants (USGS) —
Aeromedical Case Management Support Solicitation · Reserve Command (USAF)
Medical Coding, Auditing, and Data Entry Support Services Pre-Solicitation
Repair existing boiler system, S-3201, CP TANGO Award Notice —
Travel Specialist - Personal Services Contractor Pre-Solicitation · Departmental Offices
Administrative and Business Support Services Award Notice · Department of Energy —
R408--VIC Application and Data Quality Support Follow On (VA-26-00071851) Pre-Solicitation · VA Strategic Acquisition Center Frederick
NCOM-26-006 Fuel Farm Expansion Solicitation · Shared Services Center
Continuous Synopsis Record Support Services for USCG National Vessel Documentation Center Limited / Sole Source Justification · Coast Guard —
Military Funeral Honors Award Notice · ACC Picatinny —
WA columbia RIV FPO ESP program Solicitation · Fish and Wildlife Service
OHARNG Case Management Support Services JUN-SEP Award Notice · Ohio National Guard (ARNG) · W9136426FA029 —
OHARNG Case Management Support Services JUN-SEP Limited / Sole Source Justification · Ohio National Guard (ARNG) · W9136426FA029 —
Office Management Services Solicitation · Naval Sea Systems Command (Navy) · N6660426Q0209
Disability Evaluation Services Pre-Solicitation · Medical Command (Army)
Notice of Intent to Sole Source – BG Consulting Services Pre-Solicitation · Office of Logisitics and Acquisition Operations (NIH)
Award Notice Award Notice · Marine Corps (Navy) —
Show 40 more

Latest 50 of 3,707 listed here. See the rest on GovTribe.

Codes under 5611

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/Support Services.

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

  • Federal contract opportunities, awards and IDVs under this code
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