NAICS 561621 · Security Systems Services (Except Locksmiths)
102 open opportunities · 5,126 FY2025 awards · $1.27B obligated
Top contractors in this NAICS
- M. C. Dean, INC.$200.7M
- Serco INC$193.6M
- Paragon Systems INC$98.1M
- Caci International INC$65.6M
- Triple Canopy INC$37.5M
- Xator LLC$29.4M
- Scdatacom, LLC$18.5M
Hunting recompetes here?
10+ contracts in this NAICS end within 18 months. The largest are listed below — incumbents and end dates included.
All expiring 561621 contracts →Open opportunities
- J012-- Fire Alarm Suppression Maintenance & Repair Services
- Deadline
- Nov 13, 2026(1d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Combined Synopsis/Solicitation
- NAICS
- 561621
- Posted
- Nov 11, 2026
- H342--Fire Alarm and Protection System Inspection and PM
- Deadline
- —
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Award Notice
- NAICS
- 561621
- Posted
- Nov 10, 2026
- Lock, Key, and TRAKA Key Management Systems Maintenance and Support Services
- Deadline
- Nov 13, 2026(1d)
- Agency
- DEPARTMENTAL OFFICES
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 10, 2026
- N063--FY 27 Building 111 Project Lighthouse C-CURE Installation
- Deadline
- Nov 18, 2026(6d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 10, 2026
- Corrective and Preventative Maintenance of Electronic Security Systems at the Ronald Reagan Building
- Deadline
- Dec 11, 2026(29d)
- Agency
- OFFICE OF PROCUREMENT OPERATIONS
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 10, 2026
- Tobyhanna Gates & Turnstiles
- Deadline
- Nov 13, 2026(1d)
- Agency
- DEPT OF THE ARMY
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 10, 2026
- SCIF Alarm_Three Box Install
- Deadline
- Nov 13, 2026(1d)
- Agency
- WASHINGTON HEADQUARTERS SERVICES (WHS)
- Type
- Special Notice
- NAICS
- 561621
- Posted
- Nov 9, 2026
- Fort Peck JDC Fire Alarm System Upgrade
- Deadline
- Dec 1, 2026(19d)
- Agency
- BUREAU OF INDIAN AFFAIRS
- Type
- Combined Synopsis/Solicitation
- NAICS
- 561621
- Posted
- Nov 9, 2026
- J012--Fire Alarm & Fire Protection System Maintenance
- Deadline
- Nov 13, 2026(1d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Combined Synopsis/Solicitation
- NAICS
- 561621
- Posted
- Nov 9, 2026
- H312--Fire Alarm Maintenance Service Contract FY27 - NEW Base + Four - 583
- Deadline
- Nov 16, 2026(4d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 6, 2026
- Notice of Intent to Award Sole Source: Lackland AFB Modernization
- Deadline
- Nov 20, 2026(8d)
- Agency
- DEPT OF THE AIR FORCE
- Type
- Special Notice
- NAICS
- 561621
- Posted
- Nov 5, 2026
- Notice of Intent to Award to Sole Source: Lackland AFB Modernization
- Deadline
- Nov 20, 2026(8d)
- Agency
- DEPT OF THE AIR FORCE
- Type
- Special Notice
- NAICS
- 561621
- Posted
- Nov 5, 2026
- N063--FY 27 Building 111 Project Lighthouse C-CURE Installation
- Deadline
- Nov 13, 2026(1d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Solicitation
- NAICS
- 561621
- Posted
- Nov 5, 2026
- N063--FY 27 Building 111 Project Lighthouse C-CURE Installation
- Deadline
- Nov 13, 2026(1d)
- Agency
- VETERANS AFFAIRS, DEPARTMENT OF
- Type
- Presolicitation
- NAICS
- 561621
- Posted
- Nov 5, 2026
- FY27 ANNUAL FIRE DETECTION, ANNUAL FIRE SUPPRESSION & SEMI ANNUAL ANSUL KITCHEN HOOD INSPECTIONS, USP ATWATER
- Deadline
- Nov 13, 2026(1d)
- Agency
- FEDERAL PRISON SYSTEM / BUREAU OF PRISONS
- Type
- Combined Synopsis/Solicitation
- NAICS
- 561621
- Posted
- Nov 5, 2026
| Title | Agency | Type | NAICS | Posted | Deadline |
|---|---|---|---|---|---|
| J012-- Fire Alarm Suppression Maintenance & Repair Services | VETERANS AFFAIRS, DEPARTMENT OF | Combined Synopsis/Solicitation | 561621 | Nov 11, 2026 | Nov 13, 2026(1d) |
| H342--Fire Alarm and Protection System Inspection and PM | VETERANS AFFAIRS, DEPARTMENT OF | Award Notice | 561621 | Nov 10, 2026 | — |
| Lock, Key, and TRAKA Key Management Systems Maintenance and Support Services | DEPARTMENTAL OFFICES | Solicitation | 561621 | Nov 10, 2026 | Nov 13, 2026(1d) |
| N063--FY 27 Building 111 Project Lighthouse C-CURE Installation | VETERANS AFFAIRS, DEPARTMENT OF | Solicitation | 561621 | Nov 10, 2026 | Nov 18, 2026(6d) |
| Corrective and Preventative Maintenance of Electronic Security Systems at the Ronald Reagan Building | OFFICE OF PROCUREMENT OPERATIONS | Solicitation | 561621 | Nov 10, 2026 | Dec 11, 2026(29d) |
| Tobyhanna Gates & Turnstiles | DEPT OF THE ARMY | Solicitation | 561621 | Nov 10, 2026 | Nov 13, 2026(1d) |
| SCIF Alarm_Three Box Install | WASHINGTON HEADQUARTERS SERVICES (WHS) | Special Notice | 561621 | Nov 9, 2026 | Nov 13, 2026(1d) |
| Fort Peck JDC Fire Alarm System Upgrade | BUREAU OF INDIAN AFFAIRS | Combined Synopsis/Solicitation | 561621 | Nov 9, 2026 | Dec 1, 2026(19d) |
| J012--Fire Alarm & Fire Protection System Maintenance | VETERANS AFFAIRS, DEPARTMENT OF | Combined Synopsis/Solicitation | 561621 | Nov 9, 2026 | Nov 13, 2026(1d) |
| H312--Fire Alarm Maintenance Service Contract FY27 - NEW Base + Four - 583 | VETERANS AFFAIRS, DEPARTMENT OF | Solicitation | 561621 | Nov 6, 2026 | Nov 16, 2026(4d) |
| Notice of Intent to Award Sole Source: Lackland AFB Modernization | DEPT OF THE AIR FORCE | Special Notice | 561621 | Nov 5, 2026 | Nov 20, 2026(8d) |
| Notice of Intent to Award to Sole Source: Lackland AFB Modernization | DEPT OF THE AIR FORCE | Special Notice | 561621 | Nov 5, 2026 | Nov 20, 2026(8d) |
| N063--FY 27 Building 111 Project Lighthouse C-CURE Installation | VETERANS AFFAIRS, DEPARTMENT OF | Solicitation | 561621 | Nov 5, 2026 | Nov 13, 2026(1d) |
| N063--FY 27 Building 111 Project Lighthouse C-CURE Installation | VETERANS AFFAIRS, DEPARTMENT OF | Presolicitation | 561621 | Nov 5, 2026 | Nov 13, 2026(1d) |
| FY27 ANNUAL FIRE DETECTION, ANNUAL FIRE SUPPRESSION & SEMI ANNUAL ANSUL KITCHEN HOOD INSPECTIONS, USP ATWATER | FEDERAL PRISON SYSTEM / BUREAU OF PRISONS | Combined Synopsis/Solicitation | 561621 | Nov 5, 2026 | Nov 13, 2026(1d) |
Largest contracts ending within 18 months
- N3943026F0002 ↗$90.0M
THE PURPOSE OF THIS TASK ORDER IS TO AWARD THE ANNUAL SUSTAINMENT OF PUBLIC SAFETY SYSTEMS (PSS) FOR FY26 TO CNIC LOCATIONS WORLDWIDE.
- Ends
- Nov 30, 2026
- Started
- Nov 20, 2025
- Agency
- Department Of The Navy
- NAICS
- 561621
- N0003024C1001 ↗$51.8M
FY24 PM, SYS ENG, & BUSINESS MGMT
- Ends
- Jan 13, 2027
- Started
- Jan 14, 2024
- Agency
- Department Of The Navy
- NAICS
- 561621
- FA238125FB008 ↗$35.0M
PROVIDE TECHNICAL AND MANAGEMENT SUPPORT TO MAINTAIN CONTINUOUS IN-THEATER OPERATIONAL READINESS OF USAFE-AFAFRICA AND USAFCENT EXPEDITIONARY TACTICAL AUTOMATED SECURITY SYSTEM, FIXED-SITE SECURITY SYSTEMS WITHIN THE USAFE-AFAFRICA AND USAFCENT
- Ends
- Apr 1, 2028
- Started
- Apr 1, 2025
- Agency
- Department Of The Air Force
- NAICS
- 561621
- FA873023F0009 ↗$23.1M
IBDSS NEXT USAFE OY2
- Ends
- Feb 23, 2028
- Started
- Dec 15, 2022
- Agency
- Department Of The Air Force
- NAICS
- 561621
- FA873023F0007 ↗$21.8M
IBDSS NEXT EAST - DESIGN AND INSTALLATION AND ICS UPDATES
- Ends
- Mar 17, 2028
- Started
- Jan 5, 2023
- Agency
- Department Of The Air Force
- NAICS
- 561621
- FA873023F0008 ↗$21.2M
IBDSS NEXT - CENTRAL
- Ends
- Nov 27, 2027
- Started
- Feb 8, 2023
- Agency
- Department Of The Air Force
- NAICS
- 561621
- FA873023F0006 ↗$21.2M
INTEGRATED BASE DEFENSE SECURITY SYSTEM NEXT DESIGN & INSTALL
- Ends
- Apr 11, 2028
- Started
- Feb 9, 2023
- Agency
- Department Of The Air Force
- NAICS
- 561621
- HQ003422F0031 ↗$16.8M
TECHNOLOGY SUPPORT SERVICES
- Ends
- Dec 15, 2026
- Started
- Dec 16, 2021
- Agency
- Washington Headquarters Services
- NAICS
- 561621
- HQ003422F0029 ↗$15.1M
INTEGRATED SECURITY SERVICES CONTRACT TASK ORDER NUMBER ONE
- Ends
- Dec 15, 2026
- Started
- Dec 16, 2021
- Agency
- Washington Headquarters Services
- NAICS
- 561621
- 2031ZA24C00298 ↗$11.0M
EXERCISE OPTION YEAR 1
- Ends
- May 30, 2027
- Started
- May 31, 2024
- Agency
- Bureau Of Engraving And Printing
- NAICS
- 561621
| PIID | Contractor | Description | Agency | NAICS | Obligated | Start | End |
|---|---|---|---|---|---|---|---|
| N3943026F0002 ↗ | Serco INC | THE PURPOSE OF THIS TASK ORDER IS TO AWARD THE ANNUAL SUSTAINMENT OF PUBLIC SAFETY SYSTEMS (PSS) FOR FY26 TO CNIC LOCATIONS WORLDWIDE. | Department Of The Navy | 561621 | $90.0M | Nov 20, 2025 | Nov 30, 2026 |
| N0003024C1001 ↗ | General Dynamics Mission Systems, INC. | FY24 PM, SYS ENG, & BUSINESS MGMT | Department Of The Navy | 561621 | $51.8M | Jan 14, 2024 | Jan 13, 2027 |
| FA238125FB008 ↗ | Caci International INC | PROVIDE TECHNICAL AND MANAGEMENT SUPPORT TO MAINTAIN CONTINUOUS IN-THEATER OPERATIONAL READINESS OF USAFE-AFAFRICA AND USAFCENT EXPEDITIONARY TACTICAL AUTOMATED SECURITY SYSTEM, FIXED-SITE SECURITY SYSTEMS WITHIN THE USAFE-AFAFRICA AND USAFCENT | Department Of The Air Force | 561621 | $35.0M | Apr 1, 2025 | Apr 1, 2028 |
| FA873023F0009 ↗ | Caci International INC | IBDSS NEXT USAFE OY2 | Department Of The Air Force | 561621 | $23.1M | Dec 15, 2022 | Feb 23, 2028 |
| FA873023F0007 ↗ | Xator LLC | IBDSS NEXT EAST - DESIGN AND INSTALLATION AND ICS UPDATES | Department Of The Air Force | 561621 | $21.8M | Jan 5, 2023 | Mar 17, 2028 |
| FA873023F0008 ↗ | Johnson Controls Building Automation Systems, LLC | IBDSS NEXT - CENTRAL | Department Of The Air Force | 561621 | $21.2M | Feb 8, 2023 | Nov 27, 2027 |
| FA873023F0006 ↗ | M. C. Dean, INC. | INTEGRATED BASE DEFENSE SECURITY SYSTEM NEXT DESIGN & INSTALL | Department Of The Air Force | 561621 | $21.2M | Feb 9, 2023 | Apr 11, 2028 |
| HQ003422F0031 ↗ | M. C. Dean, INC. | TECHNOLOGY SUPPORT SERVICES | Washington Headquarters Services | 561621 | $16.8M | Dec 16, 2021 | Dec 15, 2026 |
| HQ003422F0029 ↗ | M. C. Dean, INC. | INTEGRATED SECURITY SERVICES CONTRACT TASK ORDER NUMBER ONE | Washington Headquarters Services | 561621 | $15.1M | Dec 16, 2021 | Dec 15, 2026 |
| 2031ZA24C00298 ↗ | Electronic Systems Services INC | EXERCISE OPTION YEAR 1 | Bureau Of Engraving And Printing | 561621 | $11.0M | May 31, 2024 | May 30, 2027 |