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.

Crane and Operator Support Services for ERDC-GSL

DEPT OF DEFENSE
VICKSBURG, MS
NAICS 561990
Posted Aug 19, 2026
Small Business Set Aside - Total

Boundary Line Maintenance Services, Greers Ferry Project Office

DEPT OF DEFENSE
LITTLE ROCK, AR
NAICS 561730
Posted Aug 19, 2026
Small Business Set Aside - Total

Albani Falls Dam Hazardous Tree Removal

DEPT OF DEFENSE
SEATTLE, WA
NAICS 561730
Posted Aug 19, 2026
Small Business Set Aside - Total

J063-Fire Alarm Service

VETERANS AFFAIRS, DEPARTMENT OF
ALBANY, NY
NAICS 561621
Posted Aug 18, 2026

Grounds Maintenance Services in Bristol, PA

DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 561730
Posted Aug 18, 2026
Small Business Set Aside - Total

J012-Fire Alarm Service Contract.

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 561621
Posted Aug 18, 2026

Professional Curatorial Supervision

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561499
Posted Aug 18, 2026
Due Oct 4, 2026
No Set Aside

Personnel Security Support Services

JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561611
Posted Aug 18, 2026

Ely Ranger District Office Janitorial

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 561720
Posted Aug 18, 2026
Small Business Set Aside - Total

H-HD K9 Services (Base + 2OY)

INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 561612
Posted Aug 18, 2026

Sole Source J&A-firing range

HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 561210
Posted Aug 18, 2026

S201-HAMPTON VA EVS CLEANING CONTRACT Base Plus 4 | 1 Sept 26 - 31 Aug 31

VETERANS AFFAIRS, DEPARTMENT OF
HAMPTON, VA
NAICS 561720
Posted Aug 18, 2026
SDVOSB

S-JANITORIAL SERVICES AT SIOUX CITY FIELD OFFICE 202

ENERGY, DEPARTMENT OF
BILLINGS, MT
NAICS 561720
Posted Aug 18, 2026

Roof Drains

DEPT OF DEFENSE
MIDDLE RIVER, MD
NAICS 561210
Posted Aug 18, 2026

174 Fire Alarm Reporting System

DEPT OF DEFENSE
SYRACUSE, NY
NAICS 561621
Posted Aug 18, 2026
Small Business Set Aside - Total

Grounds Maintenance Services for MI043 (009, 013, 020, 029)

DEPT OF DEFENSE
FORT MCCOY, WI
NAICS 561730
Posted Aug 18, 2026
SDVOSB

Lewisville Lake Dam Mowing

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 561730
Posted Aug 18, 2026
Small Business Set Aside - Total

**Cancelled** Closed Circuit TV (CCTV) purchase and install

DEPT OF DEFENSE
INDIANAPOLIS, IN
NAICS 561621
Posted Aug 18, 2026
Small Business Set Aside - Total

Award Notice - Installation HVAC Ventilation and Duct Cleaning - Wolverton Property Management

DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561790
Posted Aug 18, 2026
SDVOSB

Award Notice - Installation HVAC Ventilation and Duct Cleaning - Global Innovators

DEPT OF DEFENSE
FORT LEAVENWORTH, KS
NAICS 561790
Posted Aug 18, 2026
SDVOSB