Data / Federal awards / NAICS 561621 / KASTLE SYSTEMS LLC
KASTLE SYSTEMS LLC: 78 federal contract awards, $5.8 million obligated (FY2024 to FY2027)
KASTLE SYSTEMS LLC (UEI QNG6P3YKN7F6), Falls Church, VA, received 78 federal prime contract awards with $5.8 million obligated in fiscal years 2024 to 2027, from 21 agencies under 3 NAICS codes. Its largest buyer is General Services Administration ($1.6 million) and its largest code is NAICS 561621 Security Systems Services (except Locksmiths).
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- QNG6P3YKN7F6UEI
- Falls Church, VALocation
- Small BusinessBusiness size
- 78Contract awards
- $5.8 millionObligated
- 2023-10-03First action in window
- 2026-09-28Latest action
Where the work is
NAICS codes, with the other winners in each.
| NAICS | Industry | Awards | Obligated |
|---|---|---|---|
| 561621 | Security Systems Services (except Locksmiths) | 76 | $5.8 million |
| 334512 | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 1 | $0 |
| 541519 | Other Computer Related Services | 1 | $0 |
Buying agencies
| Agency | Awards | Obligated |
|---|---|---|
| General Services Administration | 5 | $1.6 million |
| Department of the Treasury | 15 | $839,107 |
| Department of Homeland Security | 6 | $818,717 |
| Commodity Futures Trading Commission | 7 | $639,773 |
| Department of the Interior | 9 | $525,008 |
| Small Business Administration | 5 | $439,502 |
| Federal Election Commission | 1 | $195,593 |
| Department of Justice | 5 | $181,707 |
| Department of Defense | 3 | $164,764 |
| Securities and Exchange Commission | 3 | $153,577 |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $2 million |
| FY2025 | $1.1 million |
| FY2026 | $2.6 million |
Contract awards
The 50 largest of 78 awards by dollars obligated in fiscal years 2024 to 2027.
| Award ID | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| 47QACA26F0455 | General Services Administration | Delivery Order | 561621 | SBA ENTERPRISE PHYSICAL SECURITY INITIATIVE PHYSICAL SECURITY | $988,046 | $988,046 | September 29, 2026 | September 28, 2027 | Washington, DC | usaspending.gov |
| 47QACA25F0101 | General Services Administration | Delivery Order | 561621 | 73351022F0018 MAINTENANCE AND OPERATIONS OF PHYSICAL SECURITY ACCESS CONTROL | $599,979 | $599,979 | August 1, 2025 | July 31, 2027 | Washington, DC | usaspending.gov |
| 50310219F0067 | Securities and Exchange Commission | Delivery Order | 561621 | THE PURPOSE OF THIS REQUISITION IS TO ADD FUNDING TO KASTLE SYSTEMS LLC CONTRACT FOR ACCESS CONTROL READERS AND ALARMS. | $592,077 | $4,936,861 | May 23, 2019 | March 31, 2025 | Washington, DC | usaspending.gov |
| 70B06C21F00001043 | Department of Homeland Security | Delivery Order | 561621 | SECURITY SEVICES | $527,550 | $1,169,740 | May 1, 2021 | July 15, 2026 | Washington, DC | usaspending.gov |
| 73351022F0018 | Small Business Administration | Delivery Order | 561621 | SECURITY SYSTEM MAINTENANCE AND OPERATIONS. THIS REQUIREMENT IS FOR THE MAINTENANCE AND OPERATIONS OF AN INTEGRATED SECURITY SYSTEM INCLUDIN | $407,614 | $1,092,040 | January 27, 2022 | July 31, 2025 | Washington, DC | usaspending.gov |
| 9523ZY23C0003 | Commodity Futures Trading Commission | Definitive Contract | 561621 | KASTLE SYSTEMS LLC ACCESS CONTROL SYSTEM OPERATIONS AND MAINTENANCE FOR REGIONAL OFFICES | $279,980 | $372,516 | January 1, 2023 | December 31, 2026 | Washington, DC | usaspending.gov |
| 2032H321F00039 | Department of the Treasury | BPA Call | 561621 | KASTLE PIV BADGE CERTIFICATION SERVICES | $266,892 | $762,950 | April 1, 2021 | March 31, 2026 | Washington, DC | usaspending.gov |
| 140F1S25F0008 | Department of the Interior | Delivery Order | 561621 | FWS GENERAL SERVICES BRANCH - FWS HQ SKYLINE ELECTRONIC SECURITY SYSTEM O&M | $263,016 | $263,016 | March 31, 2025 | February 28, 2027 | Falls Church, VA | usaspending.gov |
| 70B01C26F00000601 | Department of Homeland Security | Delivery Order | 561621 | SECURITY SERVICES | $260,118 | $260,118 | May 1, 2026 | April 30, 2027 | Washington, DC | usaspending.gov |
| 9531BP23F0024 | Federal Election Commission | Delivery Order | 561621 | KASTLE SYSTEMS ? ACCESS CONTROL AND SECURITY SYSTEMS OPERATIONS AND MAINTENANCE | $195,593 | $391,186 | July 1, 2023 | June 30, 2027 | Washington, DC | usaspending.gov |
| 9523ZY23F0049 | Commodity Futures Trading Commission | Delivery Order | 561621 | KASTLE SECURITY SERVICES ACCESS CONTROL MAINTENANCE AND OPERATIONS FOR THE CFTC HEADQUARTERS | $189,306 | $322,934 | June 1, 2023 | October 31, 2025 | Washington, DC | usaspending.gov |
| 20341125F00001 | Department of the Treasury | Delivery Order | 561621 | KASTLE SECURITY SYSTEM MONITORING | $169,946 | $169,946 | January 1, 2025 | December 31, 2026 | Falls Church, VA | usaspending.gov |
| 140D0424F1320 | Department of the Interior | Delivery Order | 561621 | KASTLE SECURITY SYSTEM MONITORING AND MAINTENANCE | $160,207 | $160,207 | September 23, 2024 | September 22, 2027 | Washington, DC | usaspending.gov |
| M0026424F0190 | Department of Defense | Delivery Order | 561621 | BUILDING 28 - HENDERSON HALL SECURITY | $144,033 | $144,033 | June 28, 2024 | June 1, 2026 | Arlington, VA | usaspending.gov |
| 9523ZY26P0005 | Commodity Futures Trading Commission | Purchase Order | 561621 | ACCESS CONTROL AND VIDEO (CCTV) OPERATIONS AND MAINTENANCE FOR CFTC'S HEADQUARTERS LOCATION | $132,968 | $132,968 | November 1, 2025 | September 30, 2026 | Washington, DC | usaspending.gov |
| 2032H326F00032 | Department of the Treasury | BPA Call | 561621 | KASTLE PHYSICAL ACCESS CONTROL SYSTEM (PACS) CARD READER INFRASTRUCTURE AND THE PERSONAL IDENTITY VERIFICATION (PIV) BADGING PROGRAM BLANKET | $131,513 | $131,513 | April 1, 2026 | March 31, 2027 | Washington, DC | usaspending.gov |
| 20341122F00033 | Department of the Treasury | Delivery Order | 561621 | KASTLE SECURITY MONITORING | $94,512 | $201,640 | April 1, 2022 | December 31, 2024 | Falls Church, VA | usaspending.gov |
| 1605C423F00006 | Department of Labor | Delivery Order | 561621 | PREVENTIVE MAINTENANCE (PM), IMMEDIATE RESPONSE TO SERVICE CALLS, DESIGNATED SYSTEM ADMINISTRATIVE FUNCTIONS, AND COMPUTER NETWORK MANAGEMEN | $90,317 | $145,450 | January 27, 2023 | March 14, 2025 | Arlington, VA | usaspending.gov |
| 59310524F0008 | National Endowment for the Arts | Delivery Order | 561621 | MAINTENANCE | $88,702 | $88,702 | June 1, 2024 | May 30, 2029 | Washington, DC | usaspending.gov |
| 15JC1V25F00000095 | Department of Justice | Delivery Order | 561621 | ALARM SECURITY SYSTEMS SUPPORT | $72,116 | $72,116 | October 1, 2025 | September 30, 2026 | Falls Church, VA | usaspending.gov |
| 2031LL24F00008 | Department of the Treasury | Delivery Order | 561621 | HSPD-12-COMPLIANCE REQUIREMENT | $69,198 | $69,198 | April 1, 2024 | March 31, 2026 | Washington, DC | usaspending.gov |
| 15JC1V24F00000101 | Department of Justice | Delivery Order | 561621 | FY25 SECURITY SYSTEMS SUPPORT FOR 1100 L. ST. NW. WASHINGTON, DC. 20005 | $57,896 | $57,896 | October 1, 2024 | October 1, 2024 | Falls Church, VA | usaspending.gov |
| 15JC1V24F00000011 | Department of Justice | Delivery Order | 561621 | FY24 SECURITY SYSTEMS SUPPORT FOR 1100 LST NW, WASHINGTON, DC. 20005. | $53,261 | $53,261 | November 1, 2023 | September 30, 2024 | Falls Church, VA | usaspending.gov |
| 140F0919F0126 | Department of the Interior | Delivery Order | 561621 | 2019 ELECTRONIC SECURITY | $48,386 | $504,642 | August 22, 2019 | February 28, 2025 | Falls Church, VA | usaspending.gov |
| 9523ZY26P0024 | Commodity Futures Trading Commission | Purchase Order | 561621 | KASTLE SECURITY SYSTEM CHANGES FOR CFTC'S HEADQUARTERS AND REGIONAL OFFICE LOCATIONS | $40,719 | $40,719 | May 1, 2026 | September 30, 2026 | Washington, DC | usaspending.gov |
| 70RCSA22C00000001 | Department of Homeland Security | Definitive Contract | 561621 | CISA/COSO TAS: 70-22-0566 ITAR ID: N/A THE PURPOSE OF THIS PR IS TO ADD FUNDING IN THE AMOUNT OF $25,811.28. THE PERIOD OF PERFORMANCE IS 11 | $39,269 | $70,684 | November 23, 2021 | November 22, 2025 | Arlington, VA | usaspending.gov |
| 20356424F00007 | Department of the Treasury | Delivery Order | 561621 | KASTLE SECURITY SYSTEM MANAGEMENT SERVICES. | $36,840 | $36,840 | September 1, 2024 | February 28, 2026 | Falls Church, VA | usaspending.gov |
| 20341026F00009 | Department of the Treasury | Delivery Order | 561621 | KASTLE HOMELAND SECURITY PRESIDENTIAL DIRECTIVE 12 (HSPD-12) COMPLIANCE MONITORING | $34,599 | $34,599 | April 1, 2026 | March 31, 2027 | Falls Church, VA | usaspending.gov |
| 140D0426F0546 | Department of the Interior | Delivery Order | 561621 | KASTLE SECURITY SYSTEM MANAGEMENT SERVICES | $30,399 | $30,399 | September 29, 2026 | September 28, 2027 | Falls Church, VA | usaspending.gov |
| 90MC0026P0030 | Selective Service System | Purchase Order | 561621 | FY26 CR1 FUNDING KASTLE SECURITY CAMERA SURVEILLANCE AND CARD READER SERVICE AND MAINTENANCE AT BLDG. 1501, 7TH AND 8TH FLOORS | $28,075 | $28,075 | December 31, 2025 | September 30, 2026 | Arlington, VA | usaspending.gov |
| 140D0426F8035 | Department of the Treasury | Delivery Order | 561621 | KASTLE SECURITY SYSTEMS MANAGEMENT SERVICES | $25,556 | $25,556 | September 29, 2025 | September 28, 2026 | Washington, DC | usaspending.gov |
| 73351020F0131 | Small Business Administration | Delivery Order | 561621 | INSTALLATION AND OPERATIONS OF AN INTEGRATED SECURITY SYSTEM | $24,243 | $232,902 | May 25, 2020 | May 24, 2025 | Falls Church, VA | usaspending.gov |
| 20342124F00007 | Department of the Treasury | Delivery Order | 561621 | KASTLE SECURITY SYSTEM MANAGEMENT SERVICES | $21,140 | $21,140 | September 29, 2024 | September 28, 2025 | Washington, DC | usaspending.gov |
| HS002121P0009 | Department of Defense | Purchase Order | 561621 | MANAGED SECURITY FOR ACCESS CONTROL SERVICES/INTRUSION DETECTION SYSTEM/MONITORING SERVICE FOR GOVERNMENT-OWNED KASTLE SECURITY SYSTEM. | $20,731 | $99,114 | June 1, 2021 | February 7, 2025 | Arlington, VA | usaspending.gov |
| 41311423F0068MSP | Merit Systems Protection Board | Delivery Order | 561621 | FY 24 KASTLE SYSTEMS SECURITY MAINTENANCE FOR THE WASHINGTON REGIONAL OFFICE | $17,608 | $33,695 | October 1, 2023 | November 9, 2025 | Washington, DC | usaspending.gov |
| 75N94026F00012 | Department of Health and Human Services | Delivery Order | 561621 | NIDDK EQUIPMENT: SECURITY ACCESS CONTROL READERS - SEVERABLE | $15,655 | $15,655 | January 6, 2026 | January 5, 2027 | Falls Church, VA | usaspending.gov |
| 43310125F00016 | National Endowment for the Humanities | Delivery Order | 561621 | KASTLE SYSTEMS-RENEW EXISTING OPERATIONS AND MAINTENANCE SERVICES FOR FY25 | $14,736 | $14,736 | August 5, 2025 | August 5, 2026 | Washington, DC | usaspending.gov |
| 73351025F0009 | Small Business Administration | Delivery Order | 561621 | SECURITY SERVICES FOR HERNDON SBA OFFICE SUITES | $14,162 | $14,162 | December 1, 2024 | May 31, 2025 | Herndon, VA | usaspending.gov |
| 70B01C25P00000494 | Department of Homeland Security | Purchase Order | 561621 | INSTALL ADA DOOR ON THE 9TH FLOOR AT NATIONAL PLACE | $13,114 | $13,114 | September 15, 2025 | December 31, 2025 | Washington, DC | usaspending.gov |
| 11316024P0002OND | Executive Office of the President | Purchase Order | 561621 | KASTLE SYSTEMS - CARD READER | $12,590 | $12,590 | June 6, 2024 | June 6, 2027 | Washington, DC | usaspending.gov |
| 140D0426F0285 | Department of the Interior | Delivery Order | 561621 | EFFECTIVE APRIL 1, 2026, CONTRACT NUMBER GS07F004GA/140D0426F0285 WAS ASSIGNED TO THE INTERIOR BUSINESS CENTER (IBC), ACQUISITION SERVICES D | $12,161 | $12,161 | April 1, 2026 | March 31, 2027 | Washington, DC | usaspending.gov |
| 140D0426F8109 | Department of the Treasury | Delivery Order | 561621 | KASTLE SYSTEMS - KASTLE SECURITY SERVICES | $11,338 | $11,338 | April 1, 2025 | March 31, 2026 | Washington, DC | usaspending.gov |
| 140F0521P0019 | Department of the Interior | Purchase Order | 561621 | INSTALLATION AND MAINTENANCE CAMERA SECURITY SYSTEM | $10,839 | $101,861 | January 7, 2021 | April 30, 2025 | Falls Church, VA | usaspending.gov |
| 20380220F0003 | Department of the Treasury | Delivery Order | 561621 | OFFICE SECURITY SERVICES | $9,966 | $43,778 | February 1, 2020 | March 31, 2025 | Arlington, VA | usaspending.gov |
| 54310322F00012 | Federal Labor Relations Authority | Delivery Order | 561621 | PLEASE SEE ATTACHED QUOTE FOR DETAILED PRICING | $8,696 | $27,413 | December 1, 2021 | November 30, 2026 | Washington, DC | usaspending.gov |
| 43310125P00079 | National Endowment for the Humanities | Purchase Order | 561621 | KASTLE SYSTEMS- FUNDS FOR OUTSTANDING INVOICES FOR JAN. 2025 THRU JULY 2025 TO COVER EXISTING OPERATIONS AND MAINTENANCE SERVICES. | $8,596 | $8,596 | August 11, 2025 | August 11, 2025 | Washington, DC | usaspending.gov |
| 70RCSJ26P00000001 | Department of Homeland Security | Purchase Order | 561621 | KASTLE CARD OPERATIONS AND MAINTENANCE | $7,809 | $7,809 | May 23, 2026 | May 22, 2027 | Arlington, VA | usaspending.gov |
| M0026423F0200 | Department of Defense | Delivery Order | 561621 | HENDERSON HALL SECURITY KASTLE SYSTEMS | $0 | $47,063 | July 24, 2023 | May 31, 2024 | Arlington, VA | usaspending.gov |
| 11316019P0002OND | Executive Office of the President | Purchase Order | 541519 | IGF::OT::IGF - ACCESS CONTROL | $0 | $20,983 | June 7, 2019 | June 6, 2024 | Washington, DC | usaspending.gov |
| 9523ZY18FOED0088 | Commodity Futures Trading Commission | Delivery Order | 561621 | ACCESS CONTROL SYSTEM O&M | $0 | $122,975 | January 9, 2018 | December 31, 2019 | Washington, DC | usaspending.gov |
Also on SpecStream
- All recipients under NAICS 561621 Security Systems Services (except Locksmiths)
- All recipients under NAICS 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
- All recipients under NAICS 541519 Other Computer Related Services
- Open opportunities under NAICS 561621
- Open opportunities under NAICS 334512
- Open opportunities under NAICS 541519
Updated October 6, 2026. Read from USAspending.gov. Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.