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.

63-FL CALOOSAHATCHEE/-Replacement of Alarm Panels at VC and Admin Bldgs

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561621
Posted Aug 13, 2026

FACILITY INTERCOM COMMUNICATIONS AND CAMERAS

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561621
Posted Aug 13, 2026
No Set Aside

Lock Core Replacement

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561622
Posted Aug 13, 2026
No Set Aside

BEJ Hazard Trees and Vegetation Removal

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 561730
Posted Aug 13, 2026
Small Business Set Aside - Total

Spillway Tree Removal Services, Birch Hill Dam and Tully Lake Dam, Royalston, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Aug 13, 2026
Small Business Set Aside - Total

Custodial Services KS019

DEPT OF DEFENSE
FORT MCCOY, WI
NAICS 561720
Posted Aug 12, 2026
Small Business Set Aside - Total

Base Operating Support Services at Cooperative Security Location Comalapa, El Salvador

DEPT OF DEFENSE
NAS JACKSONVILLE, FL
NAICS 561210
Posted Aug 12, 2026

Gardening services for The US embassy in Bogot, Colombia

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561730
Posted Aug 12, 2026
Due Oct 29, 2026
No Set Aside

R-MAIL METER FOR WESTERN REGIONAL OFFICE

INTERIOR, DEPARTMENT OF THE
PHOENIX, AZ
NAICS 561499
Posted Aug 12, 2026

S-SERVICE - JANITORIAL SERVICES FOR FWS OCCOQUAN BAY NWR.

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Aug 12, 2026

C219-Emergency Greater Los Angeles Temp Pro Staffing SVCS

VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 561320
Posted Aug 12, 2026

S218-Snow & Ice Removal

VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 561730
Posted Aug 12, 2026

Lake Isabella Dams - Weed and Pest Control

DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 561730
Posted Aug 12, 2026

DLA Disposition Services Anchorage Snow Removal Services

DEPT OF DEFENSE
BATTLE CREEK, MI
NAICS 561730
Posted Aug 12, 2026
Small Business Set Aside - Total

Tree Maintenance Services

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 561730
Posted Aug 11, 2026

Notice of Intent for Brand Name for Maintenance and Support for HUGS Patient Security System

DEPT OF DEFENSE
FREDERICK, MD
NAICS 561621
Posted Aug 11, 2026
Due Aug 26, 2027
No Set Aside

Tree Removal, Barre Falls Dam, Barre, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Aug 11, 2026
Small Business Set Aside - Total

Snow Removal and Sanding Services, Birch Hill Dam and Tully Lake, Royalston, MA

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Aug 11, 2026
Small Business Set Aside - Total

S-Janitorial Support Narragansett NMFS Facility

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 561720
Posted Aug 11, 2026

S-LYJO MONTHLY PEST CONTROL SERVICES

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 561710
Posted Aug 11, 2026