Kastle Systems Llc
Falls Church, VA · UEI QNG6P3YKN7F6 · NAICS 561621
Kastle Systems Llc is a federal contractor based in Falls Church, VA operating in administrative and support services (NAICS 561621). Kastle Systems Llc has received $14.72 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 278 contracts totaling $14.45 million for this firm. Kastle Systems Llc's largest customer is Department Of The Treasury, accounting for $3.41 million of awarded work.
Top contracts
| PIID | Agency | Latest action | Obligated |
|---|---|---|---|
| 70B06C21F00001043 | Department Of Homeland Security | July 2, 2025 | $1.16M |
| TDO16F013 | Department Of The Treasury | September 28, 2021 | $1.02M |
| 73351022F0018 | Small Business Administration | September 10, 2024 | $956.2K |
| HSBP1011F00249 | Department Of Homeland Security | June 14, 2011 | $777.0K |
| 2032H321F00039 | Department Of The Treasury | July 29, 2025 | $763.0K |
| ITCDO070001 | International Trade Commission | August 24, 2011 | $641.7K |
| 47QACA25F0101 | General Services Administration | June 18, 2026 | $543.5K |
| 9523ZY23C0003 | Commodity Futures Trading Commission | February 20, 2026 | $367.1K |
| 0002 | Securities And Exchange Commission | June 13, 2011 | $305.5K |
| 0001 | Securities And Exchange Commission | July 29, 2011 | $295.9K |
Top customers
| Agency | Obligated | Contracts |
|---|---|---|
| Department Of The Treasury | $3.41M | 57 |
| Department Of Homeland Security | $2.43M | 16 |
| Small Business Administration | $1.17M | 8 |
| Department Of Defense | $1.14M | 52 |
| Department Of Justice | $825.8K | 20 |
| Department Of The Interior | $717.4K | 12 |
| General Services Administration | $710.5K | 11 |
| International Trade Commission | $641.7K | 1 |
NAICS portfolio
| NAICS | Description | Obligated |
|---|---|---|
| 561621 | Security Systems Services (Except Locksmiths) | $9.60M |
| 334512 | Automatic Environmental Control Manufacturing For Residential, Commercial, And Appliance Use | $5.08M |
| 561612 | — | $14.8K |
| 541519 | — | $11.8K |
| Unknown | — | $10.5K |
| 811219 | — | $3.6K |
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Frequently asked questions
How much has Kastle Systems Llc received in federal contracts?
Kastle Systems Llc has received $14.72 million in lifetime federal awards (per USAspending.gov). BesaGov currently tracks 278 contracts totaling $14.45 million for this firm. Their largest customer is Department Of The Treasury, representing $3.41 million of awarded work.
What does Kastle Systems Llc do?
Kastle Systems Llc is a federal contractor based in Falls Church, VA, registered under NAICS 561621 (administrative and support services).