NAICS 5611: Office Administrative Services

Industry group

Code facts

Codes under it
1
Contract awards
279 In the last 12 months
Contract obligations
$655,107,153 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 $5,449
FY2026 $419,724,429
FY2025 $655,107,153
FY2024 $788,276,621
FY2023 $850,904,760

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Kent Campa & Kate Inc. $24,172,181
2 Agile Decision Sciences, LLC $22,879,494
3 Koniag Brillient, LLC $22,801,183
4 Bowhead Marine Support Services, LLC $22,625,915
5 1 - 8A Iso9001 Fedsync-Bfs, LLC $20,621,776
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 Defense Health Agency Department of Defense $60,572,629
2 Department of Homeland Security $57,161,601
3 National Aeronautics and Space Administration $47,225,840
4 Department of the Army Department of Defense $47,005,711
5 Air Force Department of Defense $43,394,787
6 Department of Health and Human Services $26,288,675
7 Department of State $26,243,662
8 Department of the Navy Department of Defense $25,690,720
9 Department of Transportation $14,495,818
10 Department of Energy $13,761,189
Rank PSC code Obligated, FY2026–FY2027 Share
1 R699 Other Administrative Support Services $229,704,473
2 R499 Other Professional Services $52,753,327
3 R408 Program Management/Support Services $30,324,052
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 R616 Administrative Support Services $8,775,187
8 R707 Contract, Procurement, and Acquisition Support Services $7,957,703
9 R799 Other Management Support Services $7,685,796
10 U008 Training/Curriculum Development $7,304,192

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Virginia $87,186,023
2 Texas $60,992,130
3 Maryland $60,906,139
4 District of Columbia $35,532,856
5 Colorado $22,853,728
6 Washington $17,152,979
7 New Mexico $11,143,824
8 North Carolina $10,742,840
9 California $9,399,316
10 Alabama $6,685,094
11 Tennessee $6,271,003
12 Kentucky $5,619,067
13 Georgia $5,071,358
14 Mississippi $5,044,779
15 Hawaii $4,264,472
16 Oklahoma $4,145,104
17 Pennsylvania $3,885,232
18 Florida $3,233,179
19 Missouri $3,172,884
20 Arizona $2,916,816
21 Ohio $2,570,544
22 South Dakota $2,292,458
23 South Carolina $1,903,601
24 Kansas $1,426,566
25 Alaska $1,323,698
26 Arkansas $1,299,056
27 Illinois $1,236,934
28 Massachusetts $1,163,507
29 Minnesota $914,138
30 New York $806,477
31 Puerto Rico $704,897
32 Rhode Island $546,732
33 New Jersey $482,591
34 Indiana $359,501
35 Nevada $296,634
36 Michigan $295,442
37 Wyoming $269,063
38 North Dakota $196,226
39 Louisiana $156,735
40 Idaho $154,697
41 Nebraska $72,446
42 Oregon $44,137
43 Montana $40,090
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
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) · W91247-26-C-A017 —
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) —
Transition Assistance Program Clerk Solicitation · Air Force Sustainment Center (AFMC)
Administrative Support, Service, Lille, FR Pre-Solicitation · Army Contracting Command (AMC) —
USAG DHR, Fort Bragg ID Card Services Solicitation · Mission and Installation Contracting Command (AMC) · W91247-26-Q-A017
Show 40 more

Latest 50 of 3,704 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 $655,107,153 in fiscal year 2025 and $2,714,018,412 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 Kent Campa & Kate Inc. ($24,172,181); Agile Decision Sciences, LLC ($22,879,494); and Koniag Brillient, LLC ($22,801,183).

Which agencies buy the most under NAICS 5611?

The agencies that obligated the most under NAICS 5611 in fiscal years 2026 and 2027 are Defense Health Agency ($60,572,629), Department of Homeland Security ($57,161,601) and National Aeronautics and Space Administration ($47,225,840).

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 ($87,186,023), Texas ($60,992,130) and Maryland ($60,906,139).

What is the latest contract opportunity under NAICS 5611?

The latest contract opportunity under NAICS 5611 is Digital Masons Subscription, limited / sole source justification from Office of Acquisition Management, posted October 14, 2026.

On GovTribe

See everything under NAICS 5611

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