Administrative and Support Services

2,540 active contract opportunities

2,540

Active Opportunities

2,353

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Landscaping Services524
  • Janitorial Services472
  • Facilities Support Services433
  • Security Systems Services (except Locksmiths)275
  • Security Guards and Patrol Services213

Set-Aside Distribution

  • 980
  • Small Business847
  • SDVOSB295
  • No Set Aside182
  • 8(a) Competed69

Top Locations

  • VA290
  • DC269
  • CA148
  • WI136
  • PA121

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.

BEP DCF Tour and Visitor Center Services

TREASURY, DEPARTMENT OF THE
WASHINGTON, DC
NAICS 561520
Posted Jan 13, 2026
Small Business

Office Janitorial Services, North Springfield Lake and Upper Connecticut River Basin, North Springfield & Perkinsville, VT

DEPT OF DEFENSE
CONCORD, MA
NAICS 561720
Posted Jan 13, 2026
Small Business

Sacred Oaks Healing Center Landscape Flood Mitigation

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
SACRAMENTO, CA
NAICS 561730
Posted Jan 13, 2026
ISBEE

Janitorial Services, Glacier Public Service Center (PSC)

AGRICULTURE, DEPARTMENT OF
Portland, OR
NAICS 561720
Posted Jan 13, 2026
Small Business

Canine Explosive Support Services

TREASURY, DEPARTMENT OF THE
WASHINGTON, DC
NAICS 561612
Posted Jan 13, 2026
Small Business

Arborist and Invasive Insect Control Blanket Purchase Agreement, Naugatuck River Basin, locations throughout CT

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Jan 13, 2026
Small Business

Special Notice to contract: 36C78625D50523 for Grounds Maintenance Services at the Annapolis and Loudon Park National Cemeteries for Grounds Maintenance Services. - S208

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561730
Posted Jan 13, 2026
SDVOSB

The reassessed winner of the Grounds Maintenance services at the Annapolis and Loudon Park National Cemeteries is Hangar 4 Services. - S208

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561730
Posted Jan 13, 2026
SDVOSB

Kaiserslautern Installation Support Services (KISS)

DEPT OF DEFENSE
APO, AE
NAICS 561210
Posted Jan 13, 2026

Facilities Maintenance and Repair, Base Maintenance Services for US Army Garrison Rheinland Pfalz, Germany

DEPT OF DEFENSE
APO, AE
NAICS 561210
Posted Jan 13, 2026
No Set Aside

S-Deep Cleaning of Chief Ignacio Justice Center for

INTERIOR, DEPARTMENT OF THE
PORTLAND, OR
NAICS 561720
Posted Jan 13, 2026

Alaska Radar System Operation/Maintenance

DEPT OF DEFENSE
JBPHH, HI
NAICS 561210
Posted Jan 12, 2026

IMCOM Pest Control

DEPT OF DEFENSE
COLUMBIA, SC
NAICS 561710
Posted Jan 12, 2026
Small Business

PMP for Water Facilities Circulation Systems

DEPT OF DEFENSE
FPO, AP
NAICS 561210
Posted Jan 9, 2026

Shelf Stocking, Receiving/Storage/Holding Area?(RSHA), and Custodial Operations? at? Camp Pendleton MCB Commissary

DEPT OF DEFENSE
FORT LEE, VA
NAICS 561990
Posted Jan 9, 2026
8(a) Competed

Protective Security Officer (PSO) Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jan 9, 2026

Protective Security Officer (PSO) Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jan 9, 2026

Protective Security Officer (PSO) Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jan 9, 2026

Healthcare Environmental Cleaning and Linen Laundry Services

DEPT OF DEFENSE
APO, AE
NAICS 561720
Posted Jan 9, 2026

Legionella Testing for Roseburg VAMC

VETERANS AFFAIRS, DEPARTMENT OF
VANCOUVER, WA
NAICS 561210
Posted Jan 8, 2026
Small Business