Administrative and Support Services
1,811 active contract opportunities
1,811
Active Opportunities
117
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Landscaping Services349
- Janitorial Services335
- Facilities Support Services308
- Security Systems Services (except Locksmiths)196
- Security Guards and Patrol Services163
Set-Aside Distribution
- 725
- Small Business576
- SDVOSB204
- No Set Aside124
- 8(a) Competed55
Top Locations
- VA195
- DC190
- CA102
- PA102
- WI80
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.
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NAICS 561990
Posted Jan 9, 2026
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NAICS 561710
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NAICS 561621
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Protective Security Officer (PSO) Services
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NAICS 561612
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HOMELAND SECURITY, DEPARTMENT OF
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NAICS 561612
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NAICS 561720
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Protective Security Officer (PSO) Services
HOMELAND SECURITY, DEPARTMENT OF
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NAICS 561612
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Landscaping Excess Land Grass Cutting
STATE, DEPARTMENT OF
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NAICS 561730
Posted Jan 9, 2026
Due Feb 12, 2026
17 days left
Healthcare Environmental Cleaning and Linen Laundry Services
DEPT OF DEFENSE
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NAICS 561720
Posted Jan 9, 2026
Vandenberg SFB Pest Control Recompete
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NAICS 561710
Posted Jan 8, 2026
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Legionella Testing for Roseburg VAMC
VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 561210
Posted Jan 8, 2026
Small BusinessSnow Removal and Sanding Services, Blackwater Dam, Webster, NH
DEPT OF DEFENSE
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NAICS 561730
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NAICS 561210
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Auction Services
STATE, DEPARTMENT OF
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NAICS 561990
Posted Jan 8, 2026
Due Jan 29, 2026
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STATE, DEPARTMENT OF
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NAICS 561990
Posted Jan 8, 2026
Due Feb 24, 2026
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H-Fire Suppression Systems Maintenance, Monitoring, and Repairs - Task Order #8
INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 561621
Posted Jan 7, 2026
S-TX-SANTA ANA NWR - Janitorial Services
INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 561720
Posted Jan 7, 2026
