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.

Weed Spraying for Hensley Lake

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 561730
Posted Sep 25, 2026
Small Business Set Aside - Total

Post-Award Notice: Digitization of NTSB Aperture Cards

LIBRARY OF CONGRESS
WASHINGTON, DC
NAICS 561410
Posted Sep 25, 2026
No Set Aside

S-GRSM SVC CUSTODIAL CONTRACT

INTERIOR, DEPARTMENT OF THE
GATLINBURG, TN
NAICS 561720
Posted Sep 25, 2026

S-ME-RACHEL CARSON NWR CLEANING SERVICES

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Sep 25, 2026

56-PROCUREMENT AND INSTALLATION OF SOLAR POWERED COMM

INTERIOR, DEPARTMENT OF THE
HOMESTEAD, FL
NAICS 561621
Posted Sep 25, 2026

Operation and Maintenance of Arkansas Lakes Project

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 561210
Posted Sep 25, 2026
Due Oct 14, 2026
Small Business Set Aside - Total

Grounds Maintenance Services - Multi WV Locations

DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 561730
Posted Sep 25, 2026
SDVOSB

Z-2026 BIFO TRAIL MAINTENANCE

INTERIOR, DEPARTMENT OF THE
BILLINGS, MT
NAICS 561730
Posted Sep 25, 2026

Intent to Sole Source: Exacom Dispatch Recording Service and Maintenance Services and Support for Data Storage Equipment and Software

DEPT OF DEFENSE
PORTSMOUTH, NH
NAICS 561621
Posted Sep 25, 2026
No Set Aside

European Healthcare Environmental Cleaning (HEC) Services

DEPT OF DEFENSE
FREDERICK, MD
NAICS 561720
Posted Sep 25, 2026
Due Oct 15, 2026

F-CA-SDBNWR Sweetwater Marsh Fiber Roll Installation

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561730
Posted Sep 25, 2026

J-GU-GUAM NWR-EXTERIOR LOCK REPLACEMENT

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561622
Posted Sep 25, 2026

S-CA-RED BLUFF FWO-JANITORIAL SERVICE

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Sep 24, 2026

F-Pest Control Service, NPS-LAVO

INTERIOR, DEPARTMENT OF THE
POINT REYES STATION, CA
NAICS 561710
Posted Sep 24, 2026

S207 - Saginaw VAMC Integrated Pest Management

VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 561710
Posted Sep 24, 2026
Due Oct 7, 2026
SDVOSB

MANTECH NO COST CONFERENCE

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 561920
Posted Sep 24, 2026
Due Oct 9, 2026

S-Janitorial Services for the Rocky Mountain Arsenal National Wildlife Refuge

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Sep 24, 2026

J-Air National Guard (ANG) Security Forces IDS Emergency Services

INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 561621
Posted Sep 24, 2026

S-Service, Landscaping Services within Virgin Island

INTERIOR, DEPARTMENT OF THE
HOMESTEAD, FL
NAICS 561730
Posted Sep 24, 2026

ARS - Wapato Janitorial Services

AGRICULTURE, DEPARTMENT OF
FORT COLLINS, CO
NAICS 561720
Posted Sep 24, 2026
Small Business Set Aside - Total