NAICS hierarchy: 56561561156111561110
U.S. Industry

NAICS 561110 — OFFICE ADMINISTRATIVE SERVICES

Federal contract awards classified under NAICS code 561110 (OFFICE ADMINISTRATIVE SERVICES) cover 416 unique federal contracts (470 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.

Unique Contracts
416
470 total actions
Top Contracts $
$1.4B
sampled
Top Contractors
10
Awarding Agencies
10

Top Contractors in NAICS 561110

Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.

Top Awarding Agencies

Federal agencies that obligate the most spending in NAICS 561110. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.

Geographic Concentration

States where NAICS 561110 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.

StateAwardsTotal Obligated
DC81$552.6M
VA39$112.3M
MO6$109.4M
MD38$75.8M
CO15$73.0M
WA11$68.1M
TX10$62.5M
NM11$26.1M
TN5$23.1M
CA9$18.6M

All Unique Contracts in NAICS 561110

Showing 416 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.

Showing 251-275 of 416 results
FIRM FIXED PRICENO SET ASIDE USED.

FOREIGN AWARDEES (UNDISCLOSED)

PERSONAL SERVICE CONTRACT - COUNTRY PROGRAM COORDINATOR MAURITANIA

Department of the Treasury20341922C00005$149,104.27
FIRM FIXED PRICENO SET ASIDE USED.

FOREIGN AWARDEES (UNDISCLOSED)

SENEGAL COUNTRY PROGRAM COORDINATOR

Department of the Treasury20341924C00001$145,800.36
COST PLUS FIXED FEE

ALUTIIQ SOLUTIONS, LLC

ADMINISTRATIVE SERVICES

Department of DefenseN6893626F0044$145,262.95
FIRM FIXED PRICE

ITMS, INC.

ADMIN SUPPORT SERVICES FOR NAVFAC HEADQUARTERS

Department of DefenseN6247026F0001$143,572.08
FIRM FIXED PRICE

CONTEMPORARIES, INC.

TEMPORARY HELP - PROJECT ASSISTANT SUPPORT

Department of Health and Human Services75N92B26F00004$143,189.68
FIRM FIXED PRICENO SET ASIDE USED.

AMERICAN INSTITUTE OF AERONAUTICS AND ASTRONAUTICS, INC

CALL #0001 FUNDING OF ONLINE ACCESS TO AIAA. AUTHORITY TO PROCEED WAS APPROVED BY THE CO AND NO INTERRUPTION TO SERVICE WAS GRANTED BY THE VENDOR. PREVIOUS AGREEMENT ENDED 12/31/25, NEW SERVICE AGREEMENT STARTED 1/1/2026 AS STATED IN THE POP.

National Aeronautics and Space Administration80NSSC26F0017$142,275
TIME AND MATERIALS

DIVERSE STAFFING SERVICES INC

ELECTRONIC RECORD CLERK CONTRACT POSITION CAMDEN, NJ OFFICE PERIOD OF PERFORMANCE SHALL BE 9/29/2024 - 9/28/2025, WITH (3) OPTION YEARS. REQUISITION # R24NJX00146

Department of Justice15JA5024F00000022$140,074.4
FIRM FIXED PRICENO SET ASIDE USED.

FORFEITURE SUPPORT ASSOCIATES LLC

2 PARALEGAL 1/LEGAL ASSISTANT 1900 HOURS @ $27.65 PER HOUR $52,535.00 X 2 $105,070 PERIOD OF PERFORMANCE FROM 09/01/2023 UNTIL 08/31/2024 OPTION YEAR 1 FROM 09/01/2023 UNTIL 08/31/2024

Department of Justice15JA6923P00000086$138,593.86
FIRM FIXED PRICESMALL BUSINESS SET ASIDE - TOTAL

SANFORD FEDERAL, INC.

TRICARE MEDICAL NETWORK ACCESS CLERK SERVICE FOR 51ST MEDICAL GROUP TREATMENT FACILITY (MTF), OSAN AIR BASE, KOREA

Department of DefenseW81K0222P0045$137,256
FIRM FIXED PRICENO SET ASIDE USED.

FORFEITURE SUPPORT ASSOCIATES LLC

PARALEGAL II FOR FINANCIAL LITIGATION UNIT $37.26 X 1900 HOURS $70,794.00 X 2 (OPTION YEAR) $141,588.00 PERIOD OF PERFORMANCE FROM 09/15/2023 UNTIL 09/14/2024 OPTION YEAR FROM 09/15/2024 UNTIL 09/14/2025

Department of Justice15JA6923P00000088$135,623.96
FIRM FIXED PRICENO SET ASIDE USED.

THE REGENTS OF THE UNIVERSITY OF COLORADO

ADMINISTRATIVE SUPPORT GRANT SPECIALIST

Department of Veterans Affairs36C25921P0011$135,212.43
FIXED PRICE LEVEL OF EFFORT8(A) SOLE SOURCE

CHICKASAW GLOBAL BUSINESS PARTNERS JV, LLC

UTSO PUBLIC ROOM SUPPORT

Department of the Interior140L5725P0057$132,748.8
LABOR HOURSSMALL BUSINESS SET ASIDE - PARTIAL

CHENHALLS STAFFING SERVICES, INC.

NON-PERSONAL HEALTHCARE SERVICES FOR REGISTERED NURSE IN THE 2WEST MED/SURGE DEPARTMENT.

Department of Health and Human Services75H71025P00677$132,000
FIRM FIXED PRICENO SET ASIDE USED.

FOREIGN AWARDEES (UNDISCLOSED)

ZIMBABWE COUNTRY PROGRAM COORDINATOR

Department of the Treasury20341924C00004$131,758.67
FIRM FIXED PRICE

ITMS, INC.

ADMIN CONTRACTOR SUPPORT SERVICES FOR DESIGN & CONSTRUCTION AT NA

Department of DefenseN6247024F4039$131,698.56
FIRM FIXED PRICE

ITMS, INC.

ADMINISTRATIVE ASSISTANT TO THE PUBLIC W

Department of DefenseN6247024F4000$131,698.56
FIRM FIXED PRICE

ITMS, INC.

CONTRACTOR ADMINISTRATIVE SUPPORT FOR OPERATIONS LEADERSHIP

Department of DefenseN6247024F4099$131,698.56
FIRM FIXED PRICE

ITMS, INC.

NEW TASK ORDER FOR ADMINISTRATIVE SUPPORT FOR SECURITY OFFICE.

Department of DefenseN6247024F4017$131,698.56
FIRM FIXED PRICE

ITMS, INC.

ADD ADDITIONAL YEAR OF CONTRACTOR SUPPORT FOR BD522 ADMIN SHOP.

Department of DefenseN6247024F4040$131,698.56
TIME AND MATERIALS

DIVERSE STAFFING SERVICES INC

FACT WITNESS COORDINATOR

Department of Justice15JA1523F00000020$129,198.54
FIRM FIXED PRICE

ITMS, INC.

BD522 ADMINISTRATIVE CONTRACTOR SUPPORT FOR CORRESPONDENCE MANAGE

Department of DefenseN6247023F4105$128,001.5
FIRM FIXED PRICE

ITMS, INC.

ADMINISTRATIVE ASSISTANT SUPPORT SERVICE

Department of DefenseN6247023F4123$127,855.44
FIRM FIXED PRICE

ITMS, INC.

ADMINISTRATIVE PROGRASM ASSISTANT TO HQ

Department of DefenseN6247023F4188$127,855.44
FIRM FIXED PRICE

ITMS, INC.

PWBL EA SUPPORT

Department of DefenseN6247023F4012$127,855.44
FIRM FIXED PRICE

ITMS, INC.

BD SECURITY, ADMINISTRATIVE ASSISTANT

Department of DefenseN6247023F4050$127,855.44
Data sourced from USASpending.gov. Updated daily. U.S. Industry level NAICS code 561110 — parent codes: 56, 561, 5611, 56111