Administrative and Support Services

3,005 active contract opportunities

3,005

Active Opportunities

2,695

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Landscaping Services630
  • Janitorial Services565
  • Facilities Support Services505
  • Security Systems Services (except Locksmiths)339
  • Security Guards and Patrol Services237

Set-Aside Distribution

  • 1164
  • Small Business762
  • SDVOSB350
  • Small Business Set Aside - Total243
  • No Set Aside230

Top Locations

  • VA374
  • DC299
  • CA173
  • WI151
  • MD148

About NAICS561

The North American Industry Classification System (NAICS) code 561 covers administrative and support services. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

S201-Window Washing Services in support of the Sioux Falls VAHCS

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561720
Posted Aug 17, 2026
SDVOSB

S-Douglas County Law Enforcement Services, Roseburg District BLM, Oregon

INTERIOR, DEPARTMENT OF THE
PORTLAND, OR
NAICS 561612
Posted Aug 17, 2026

D-SUPPLY: PA-JOHN HEINZ NWR-REPLACEMENT OF IDS

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Aug 17, 2026

F-BEACH DUNE PLANT REMOVAL/INSTALLATION AT FWS HOBE

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561730
Posted Aug 17, 2026

SSA HQ, NSC, WBDOC, SSC/RTP Guards Contract

SOCIAL SECURITY ADMINISTRATION
BALTIMORE, MD
NAICS 561612
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside

U.S. Customs and Border Protection Tracing and Payment Recovery Services (TPRS)

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 17, 2026
No Set Aside

Grounds

DEPT OF DEFENSE
COLUMBUS, MS
NAICS 561730
Posted Aug 17, 2026
Small Business Set Aside - Total

Grounds Maintenance Services in Galax, VA

DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 561730
Posted Aug 14, 2026
SDVOSB

Tree Removal Services, Littleville Lake and Knightville Dam, Huntington, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Aug 14, 2026
Small Business Set Aside - Total

Janitorial Services for USDA-ARS, Frederick, Maryland

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 561720
Posted Aug 14, 2026
Small Business Set Aside - Total

R- AK-MGRTRY BIRD CO-MGMT-AMBCC COURT RECO

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561410
Posted Aug 14, 2026

S-Columbia Mowry Operation & Maintenance Support Ser

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 561210
Posted Aug 14, 2026

Amendment 5 - Janitorial Services-Maynard, Massachusetts

HOMELAND SECURITY, DEPARTMENT OF
BERRYVILLE, VA
NAICS 561720
Posted Aug 14, 2026
Small Business Set Aside - Total

Travelers Processing and Vetting Software (TPVS) Application Modernization, Development, Enhancements, Operations & Maintenance (O&M), and Specialized Services

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561990
Posted Aug 14, 2026

Braille and Tactile Embossing Services

LIBRARY OF CONGRESS
Washington, DC
NAICS 561410
Posted Aug 14, 2026

Palomar Ranger District Janitorial

AGRICULTURE, DEPARTMENT OF
SAN DIEGO, CA
NAICS 561720
Posted Aug 14, 2026
Small Business Set Aside - Total

S-Intent to Sole Source - Tree pruning and tree and stump removal at East Potomac

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561730
Posted Aug 14, 2026