# NAICS 561621 Security Systems Services: $2.3B, page 5

Updated November 6, 2026.

Incumbents: the largest recipients, 201 to 250 of 1,514, in the same order as page 1.

## The full list

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- [Federal contract awards under NAICS 561621 Security Systems Services (except Locksmiths)](https://specstream.ai/data/federal-awards/naics/561621-security-systems-services-except-locksmiths): 7,802 rows, fiscal years 2024 to 2027, from the USAspending.gov award archive of 2026-11-06; the 7,802 awards that name their recipient (the page total of 8,184 also counts awards to sole proprietorships and to entities that opted out, which no list holds), $158.02, or the new rows each week for $19 a month. Buy: https://specstream.ai/data/federal-awards/naics/561621-security-systems-services-except-locksmiths

SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.

## Incumbents: the largest recipients, page 5

| Recipient | Business size | Awards | Obligated | Share |
| --- | --- | --- | --- | --- |
| [AES CORPORATION](https://specstream.ai/data/federal-awards/recipient/aes-corporation-j3a6jx4kgn56) | Other Than Small Business | 23 | $732,394 | 0.0% |
| [ASPIRYON LLC](https://specstream.ai/data/federal-awards/recipient/aspiryon-llc-s9vjpfm3pn56) | Small Business | 6 | $727,575 | 0.0% |
| [ALARMCO, INC.](https://specstream.ai/data/federal-awards/recipient/alarmco-inc-d1mkmdm65nk3) | Small Business | 4 | $727,036 | 0.0% |
| [STONE SECURITY LLC](https://specstream.ai/data/federal-awards/recipient/stone-security-llc-mgbjdcqqtcl9) | Other Than Small Business | 2 | $724,685 | 0.0% |
| [EXECUTIVE TECHNOLOGIES CORPORATION](https://specstream.ai/data/federal-awards/recipient/executive-technologies-corporation-pma4xyy97m59) | Other Than Small Business | 9 | $721,995 | 0.0% |
| [SQUADRON DEFENSE GROUP LLC](https://specstream.ai/data/federal-awards/recipient/squadron-defense-group-llc-d6khtxmyqzl5) | Other Than Small Business | 1 | $718,121 | 0.0% |
| [LANDSEER GROUP LLC](https://specstream.ai/data/federal-awards/recipient/landseer-group-llc-xv2fap2vnys8) | Small Business | 8 | $716,456 | 0.0% |
| [STAR COMMUNICATION INC.](https://specstream.ai/data/federal-awards/recipient/star-communication-inc-kjj4kcv6mm81) | Small Business | 1 | $713,593 | 0.0% |
| [JJ CONTRACTING CORP](https://specstream.ai/data/federal-awards/recipient/jj-contracting-corp-nlhjlkfb8bb4) | Small Business | 9 | $712,583 | 0.0% |
| [PROSEC PROTECTION SYSTEMS INC](https://specstream.ai/data/federal-awards/recipient/prosec-protection-systems-inc-kdxmamyljqv3) | Small Business | 5 | $710,765 | 0.0% |
| [SECURADYNE SYSTEMS INTERMEDIATE LLC](https://specstream.ai/data/federal-awards/recipient/securadyne-systems-intermediate-llc-lkdknkf56ss8) | Other Than Small Business | 14 | $708,477 | 0.0% |
| [MINUTEMAN SECURITY TECHNOLOGIES, INC.](https://specstream.ai/data/federal-awards/recipient/minuteman-security-technologies-inc-gh6tkbj1yma4) | Other Than Small Business | 12 | $701,905 | 0.0% |
| [LAVISH LIFE TECHNOLOGIES LLC](https://specstream.ai/data/federal-awards/recipient/lavish-life-technologies-llc-cr8fcjqp2747) | Small Business | 6 | $700,625 | 0.0% |
| [HIGH TECH INNOVATION CORP](https://specstream.ai/data/federal-awards/recipient/high-tech-innovation-corp-l4jmrnjz6u17) | Small Business | 7 | $696,043 | 0.0% |
| [PROPRIETARY ACCESS CONTROL ENTERPRISES, INC](https://specstream.ai/data/federal-awards/recipient/proprietary-access-control-enterprises-inc-nmd5m2g8g7d5) | Small Business | 3 | $693,786 | 0.0% |
| [BAY STATE ALARM SECURITY, INC](https://specstream.ai/data/federal-awards/recipient/bay-state-alarm-security-inc-h1bazxv1l6k3) | Small Business | 11 | $691,465 | 0.0% |
| [CLARK SECURITY & SERVICES LLC](https://specstream.ai/data/federal-awards/recipient/clark-security-services-llc-rg5vzf17djl8) | Small Business | 2 | $690,674 | 0.0% |
| [DIGITAL TECHNOLOGIES, INC.](https://specstream.ai/data/federal-awards/recipient/digital-technologies-inc-pgggrpn3ddc7) | Small Business | 1 | $687,114 | 0.0% |
| [INTERNATIONAL GLOBAL SOLUTION, CORP](https://specstream.ai/data/federal-awards/recipient/international-global-solution-corp-qp5xma6kx4m3) | Small Business | 3 | $685,976 | 0.0% |
| [PROGRESSIVE ELECTRONICS INC](https://specstream.ai/data/federal-awards/recipient/progressive-electronics-inc-lnybsm5npcu4) | Small Business | 3 | $682,430 | 0.0% |
| [SAWYER SERVICES INC](https://specstream.ai/data/federal-awards/recipient/sawyer-services-inc-h7nshx7427g8) | Small Business | 1 | $671,655 | 0.0% |
| [A AND W ELECTRICAL AND REFRIGERATION A/C INC](https://specstream.ai/data/federal-awards/recipient/a-and-w-electrical-and-refrigeration-a-c-inc-nhmcgl9gdwe6) | Small Business | 1 | $667,580 | 0.0% |
| [ALABAMA CONTROLS, INC.](https://specstream.ai/data/federal-awards/recipient/alabama-controls-inc-mzwesg768d91) | Small Business | 4 | $662,235 | 0.0% |
| [A & A FIRE AND SAFETY COMPANY, LLC](https://specstream.ai/data/federal-awards/recipient/a-a-fire-and-safety-company-llc-znqnkr5n6qn7) | Small Business | 1 | $655,373 | 0.0% |
| [GORRIE-REGAN & ASSOCIATES, INC.](https://specstream.ai/data/federal-awards/recipient/gorrie-regan-associates-inc-lvu7dwelj9g9) | Small Business | 2 | $653,127 | 0.0% |
| [D&D ULTIMATE CONNECTION LLC](https://specstream.ai/data/federal-awards/recipient/d-d-ultimate-connection-llc-wvfrjfxjga96) | Small Business | 2 | $647,121 | 0.0% |
| [R.S. SECURITY CONSULTING, LTD.](https://specstream.ai/data/federal-awards/recipient/r-s-security-consulting-ltd-k5elu1mqnyk5) | Small Business | 3 | $646,787 | 0.0% |
| [SUGPIAT GROUP, LLC](https://specstream.ai/data/federal-awards/recipient/sugpiat-group-llc-mz8qnnsc6ns1) | Small Business | 1 | $631,405 | 0.0% |
| [ELEVEN BRAVO GROUP, LLC](https://specstream.ai/data/federal-awards/recipient/eleven-bravo-group-llc-khj7cacyk9j5) | Small Business | 9 | $628,587 | 0.0% |
| [MANDEX INC](https://specstream.ai/data/federal-awards/recipient/mandex-inc-vkm2ejnzj367) | Small Business | 11 | $620,417 | 0.0% |
| [DIGI SECURITY SYSTEMS, LLC](https://specstream.ai/data/federal-awards/recipient/digi-security-systems-llc-xmzeg3bt2gx6) | Other Than Small Business | 7 | $617,853 | 0.0% |
| [PACIFIC NETWORK GROUP LLC](https://specstream.ai/data/federal-awards/recipient/pacific-network-group-llc-lwqrmwwjj8n3) | Small Business | 2 | $602,943 | 0.0% |
| [RESEARCH ELECTRONICS INTERNATIONAL, L.L.C.](https://specstream.ai/data/federal-awards/recipient/research-electronics-international-l-l-c-n4lljp3vyn48) | Other Than Small Business | 1 | $600,000 | 0.0% |
| [AMERICAN TECHNOLOGY INTEGRATORS LLC](https://specstream.ai/data/federal-awards/recipient/american-technology-integrators-llc-lxkbuykktwl8) | Small Business | 2 | $599,382 | 0.0% |
| [SECURITY 101 HOLDINGS LLC](https://specstream.ai/data/federal-awards/recipient/security-101-holdings-llc-fkhlgjsmnp31) | Other Than Small Business | 7 | $590,134 | 0.0% |
| [SPRING FOUNTAIN STUDIOS LLC](https://specstream.ai/data/federal-awards/recipient/spring-fountain-studios-llc-rxdhwer7mtd5) | Small Business | 5 | $589,264 | 0.0% |
| [LW ENTERPRISES, INC.](https://specstream.ai/data/federal-awards/recipient/lw-enterprises-inc-uz7jtumlgrs4) | Small Business | 6 | $581,791 | 0.0% |
| [FORUS CONTRACTING, INC.](https://specstream.ai/data/federal-awards/recipient/forus-contracting-inc-rl6yzxft8r87) | Small Business | 8 | $580,210 | 0.0% |
| [EAGLE FIRE INC](https://specstream.ai/data/federal-awards/recipient/eagle-fire-inc-d5bjc12c1y34) | Other Than Small Business | 14 | $579,735 | 0.0% |
| [GANS & PUGH ASSOCIATES, INC.](https://specstream.ai/data/federal-awards/recipient/gans-pugh-associates-inc-l22zz3j986r7) | Other Than Small Business | 2 | $578,842 | 0.0% |
| [SCHNEIDER ELECTRIC BUILDINGS AMERICAS, INC.](https://specstream.ai/data/federal-awards/recipient/schneider-electric-buildings-americas-inc-nkqhlfa16kx4) | Other Than Small Business | 4 | $578,840 | 0.0% |
| NEW ENGLAND FIRE TECH LLC | Small Business | 1 | $560,900 | 0.0% |
| [FORD INDUSTRIES INC.](https://specstream.ai/data/federal-awards/recipient/ford-industries-inc-nktgequ94k97) | Small Business | 14 | $556,033 | 0.0% |
| [CORG MANAGEMENT GROUP LLC](https://specstream.ai/data/federal-awards/recipient/corg-management-group-llc-hg3lzl22b236) | Small Business | 2 | $555,616 | 0.0% |
| [TRUSTED SYSTEMS, INC.](https://specstream.ai/data/federal-awards/recipient/trusted-systems-inc-hfdxvmrw2nx8) | Other Than Small Business | 6 | $554,557 | 0.0% |
| [QOS LLC](https://specstream.ai/data/federal-awards/recipient/qos-llc-zcgljc6qc3m3) | Small Business | 2 | $554,256 | 0.0% |
| [COMCO, INC.](https://specstream.ai/data/federal-awards/recipient/comco-inc-hdqflnrspz65) | Small Business | 2 | $548,251 | 0.0% |
| BETA INFORMATION TECHNOLOGY SOLUTIONS LLC | Small Business | 1 | $534,104 | 0.0% |
| [MAMMOTH FIRE ALARMS, INC.](https://specstream.ai/data/federal-awards/recipient/mammoth-fire-alarms-inc-prl1n1dffqg1) | Small Business | 2 | $532,284 | 0.0% |
| [POLYTRON CORP](https://specstream.ai/data/federal-awards/recipient/polytron-corp-ephdrcem2gv3) | Small Business | 8 | $529,559 | 0.0% |

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Source: [USAspending.gov](https://www.usaspending.gov/download_center/award_data_archive). 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 2026-11-06; 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](https://creativecommons.org/licenses/by/4.0/).