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.

WAF Janitorial Service Ironton Ranger District

AGRICULTURE, DEPARTMENT OF
NELSONVILLE, OH
NAICS 561720
Posted Jul 28, 2026
Small Business Set Aside - Total

ALF Bradford Office and Sheffield Compound Janitorial

AGRICULTURE, DEPARTMENT OF
WARREN, PA
NAICS 561720
Posted Jul 28, 2026
Small Business Set Aside - Total

S-MN BIG STONE NWR - Janitorial Services - Base with

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Jul 28, 2026

S-JANITORIAL SERVICES FOR ROCK CREEK PARK

INTERIOR, DEPARTMENT OF THE
SANTA FE, NM
NAICS 561720
Posted Jul 28, 2026

Request for Quotation for Supply and Installation of Wireless Intrusion Detection & Security Alarm System for U.S. Embassy Phnom Penh

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 56162
Posted Jul 28, 2026
No Set Aside

Request for Quotation for Supply and Installation of a Fully Operational CCTV System for U.S. Embassy Phnom Penh

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 56162
Posted Jul 28, 2026
No Set Aside

Emergency Management Mass Notification System

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 561621
Posted Jul 28, 2026
SDVOSB

Award Announcement - 36C78626C50303 - Tree Pruning, Tree Removal, and Stump Grinding at Raleigh and Wilmington National Cemeteries

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561730
Posted Jul 27, 2026
SDVOSB

3-Month Bridge- Facilities Support Services

HOMELAND SECURITY, DEPARTMENT OF
ARTESIA, NM
NAICS 561210
Posted Jul 27, 2026

S-NH-FWS - GREAT BAY NWR-JANITORIAL CONTRA

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Jul 27, 2026

Protective Security Officer Services

HOMELAND SECURITY, DEPARTMENT OF
PHILADELPHIA, PA
NAICS 561612
Posted Jul 27, 2026

S-SERVICES, LANDSCAPING SERVICES - HOUSING - VIRGIN

INTERIOR, DEPARTMENT OF THE
HOMESTEAD, FL
NAICS 561730
Posted Jul 27, 2026

S-DINO - Hazardous Tree Removal with Certified Arbor

INTERIOR, DEPARTMENT OF THE
YELWSTN NL PK, WY
NAICS 561730
Posted Jul 27, 2026

Ground Maintenance Services - FEMA Region 5

HOMELAND SECURITY, DEPARTMENT OF
CHICAGO, IL
NAICS 561730
Posted Jul 25, 2026
Small Business

36C78626Q50098 - S206

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561612
Posted Jul 24, 2026
SDVOSB

R-SSC-VINCENT GARCIA

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 561110
Posted Jul 24, 2026

Janitorial Services for the Charlton Recreation Sites

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 561720
Posted Jul 24, 2026
Small Business

USCG Pest Services

HOMELAND SECURITY, DEPARTMENT OF
N CHARLESTON, SC
NAICS 561710
Posted Jul 24, 2026
Small Business

Vandenberg SFB Tree Trimming IDIQ

DEPT OF DEFENSE
VANDENBERG SFB, CA
NAICS 561730
Posted Jul 24, 2026
Small Business

MCIA Access Control Support

DEPT OF DEFENSE
QUANTICO, VA
NAICS 561612
Posted Jul 24, 2026
SDVOSB