United States · Federal contract register · Supplier record

KASTLE SYSTEMS LLC

Line: Alarm, signal, and security detection systems (J063)Register loaded to September 2026Compiled 6 October 2026

KASTLE SYSTEMS LLC — United States · Federal contract register · Supplier record: 597 contracts, all years ($43,632,999 · Oct 2003 – Sep 2026); $3.5M since January 2024 (30 contracts · 14 agencies); 76th rank in the line (of 612 suppliers · 0.08%); 13 agencies never served ($12.4M on the line without KASTLE SYSTEMS LLC).

Assay record ASY-US-0RNBMGD1RU · Cite as: Assay Systems, “KASTLE SYSTEMS LLC in the USAspending register”, https://assay-systems.com/register/us/kastle-systems-llc/

597
contracts, all years
$43,632,999 · Oct 2003 – Sep 2026
$3.5M
since January 2024
30 contracts · 14 agencies
76th
rank in the line
of 612 suppliers · 0.08%
13
agencies never served
$12.4M on the line without KASTLE SYSTEMS LLC

Own record by year

2019 onward
$6.9M
$1.1M
$2.9M
$2.1M
$1.2M
$775K
$1.1M
$1.5M
20192020202120222023202420252026

Who buys from KASTLE SYSTEMS LLC

since January 2024
14agencies
$3.5Mpaid
45.8%top buyer
General Services Administration45.8%
$1,588,025
Department of the Interior14.5%
$502,677
Department of the Treasury9.6%
$331,723
Department of Homeland Security8.1%
$281,041
Commodity Futures Trading Commission5.0%
$173,687
Department of Defense4.2%
$144,033
3.8%
$131,513
Department of Justice3.8%
$130,012
National Endowment for the Arts2.6%
$88,702
Selective Service System0.8%
$28,075
National Endowment for the Humanities0.7%
$23,331
Department of Health and Human Services0.5%
$15,655
Small Business Administration0.4%
$14,162
Executive Office of the President0.4%
$12,590

Before 2024 only: Consumer Financial Protection Bureau, Corporation for National and Community Service, Department of Agriculture, Department of Commerce, Department of Education, Department of Labor, Department of Transportation, Department of Veterans Affairs, Environmental Protection Agency, Federal Election Commission, Federal Housing Finance Agency, Federal Labor Relations Authority, Federal Mine Safety and Health Review Commission, Institute of Museum and Library Services, International Trade Commission, Merit Systems Protection Board, National Labor Relations Board, Office of Special Counsel, Pension Benefit Guaranty Corporation, Securities and Exchange Commission, Smithsonian Institution, United States Chemical Safety Board.

The line

since January 2024
$1.0Bline value
1,818contracts
33agencies
612suppliers
77.8%held by top ten

Alarm, signal, and security detection systems (J063)

$312M
$611M
$98.1M
202420252026Jan–Sep
76thof 612 suppliers
$790,239KASTLE SYSTEMS LLC in the line
0.08%share of the line
2.0%of $20,752,938 spent by Department of the Interior

Agencies that buy the line and never bought from KASTLE SYSTEMS LLC

13agencies
131contracts
$12,387,540since January 2024
Nuclear Regulatory Commission1 contract
$3,514,959
Department of State90 contracts
$2,923,032
Department of Energy4 contracts
$1,608,328
Office of Personnel Management4 contracts
$1,581,541
Court Services and Offender Supervision Agency13 contracts
$1,111,640
U.S. International Development Finance Corporation2 contracts
$587,976
Social Security Administration3 contracts
$376,377
National Archives and Records Administration1 contract
$301,486
Government Accountability Office7 contracts
$153,206
District of Columbia Courts3 contracts
$111,212
Equal Employment Opportunity Commission1 contract
$70,185
Department of Housing and Urban Development1 contract
$28,803
National Aeronautics and Space Administration1 contract
$18,797

How the line is bought

by value, since 2024
17%no competition
7%one applicant
0of these to KASTLE SYSTEMS LLC
Competed, several suppliers applied815 contracts
$776,332,597 · 76.1%
Awarded directly, no competition580 contracts
$177,078,683 · 17.4%
Competed, one supplier applied423 contracts
$67,205,739 · 6.6%

Contracts reaching their end dates

Oct 2026 – October 2027
528contracts
$816,025,897end by October 2027
86end in September 2027 · $44.9M
22in agencies never served · $6.2M
$60.2M
$12.6M
$25.3M
$104M
$10.0M
$494M
$22.3M
$10.1M
$20.1M
$6.6M
$6.2M
$44.9M
Oct 2629 contractsNov 2630 contractsDec 2661 contractsJan 2736 contractsFeb 2737 contractsMar 2753 contractsApr 2745 contractsMay 2741 contractsJun 2752 contractsJul 2731 contractsAug 2727 contractsSep 2786 contracts

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

Request extractSee a sample extract

Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.