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.

SBX Security Services

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561612
Posted Jan 20, 2026
No Set Aside

Gardening Services

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 561730
Posted Jan 20, 2026

S207-608-26-2-4820-0095: Pest Management Base Year (VA-26-00023590)

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 561710
Posted Jan 16, 2026
Veteran-Owned Small Business

inTransition Contact (Call) Center (Bridge Contract)

DEPT OF DEFENSE
FALLS CHURCH, VA
NAICS 561422
Posted Jan 16, 2026

Lenel Access Control System Maintenance and Repair Services

DEPT OF DEFENSE
NORFOLK, VA
NAICS 561621
Posted Jan 16, 2026
Small Business

Custodial Services OH033

DEPT OF DEFENSE
FORT MCCOY, WI
NAICS 561720
Posted Jan 16, 2026
Small Business

San Francisco International Airport (SFO) Security Screening Services Extension

HOMELAND SECURITY, DEPARTMENT OF
Springfield, VA
NAICS 561612
Posted Jan 15, 2026

Snow Removal and Sanding Services, Black Rock Lake, Northfield Brook Lake, and Thomaston Dam, Thomaston, CT

DEPT OF DEFENSE
CONCORD, MA
NAICS 561730
Posted Jan 15, 2026
Small Business

Pine Creek Janitorial Services

DEPT OF DEFENSE
TULSA, OK
NAICS 561720
Posted Jan 15, 2026
Small Business

Grounds Maintenance Services TX019

DEPT OF DEFENSE
FORT MCCOY, WI
NAICS 561730
Posted Jan 14, 2026
Small Business

Custodial Services for MO024

DEPT OF DEFENSE
FORT MCCOY, WI
NAICS 561720
Posted Jan 14, 2026
SDVOSB

BASE OPERATION SUPPORT SERVICES (BASOPS) FOR YUMA PROVING GROUND (YPG)

DEPT OF DEFENSE
FORT SAM HOUSTON, TX
NAICS 561210
Posted Jan 14, 2026
Small Business

Diego Garcia Base Operations Support (BOS) Services Contract

DEPT OF DEFENSE
JBPHH, HI
NAICS 561210
Posted Jan 14, 2026

FIRE EXTINGUISHER INSPECTION SERVICES

DEPT OF DEFENSE
TINKER AFB, OK
NAICS 561210
Posted Jan 14, 2026

F-Noxious Weed Treatment for Chickasaw Agency

INTERIOR, DEPARTMENT OF THE
MUSKOGEE, OK
NAICS 561730
Posted Jan 14, 2026

MTC Galaxy ACS and CCTV Replacement

DEPT OF DEFENSE
ANNVILLE, PA
NAICS 561621
Posted Jan 14, 2026
No Set Aside

36C78626C50045 - Janitorial Service Omaha National Cemetery - S201

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 561720
Posted Jan 13, 2026
SDVOSB

F-WA-COLUMBIA RIVER FISH MARKING 2026

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561320
Posted Jan 13, 2026

R426-Lexington VAMC Switchboard Operations

VETERANS AFFAIRS, DEPARTMENT OF
MURFREESBORO, TN
NAICS 561421
Posted Jan 13, 2026

Campground Host #1 Service, Winhall Brook Camping Area, Ball Mountain Lake, South Londonderry, VT

DEPT OF DEFENSE
CONCORD, MA
NAICS 561990
Posted Jan 13, 2026
Small Business