# NAICS 561621 Security Systems Services: $2.3B, page 11

Updated November 6, 2026.

Incumbents: the largest recipients, 501 to 550 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 11

| Recipient | Business size | Awards | Obligated | Share |
| --- | --- | --- | --- | --- |
| [EASTERN SHAWNEE PROFESSIONAL SERVICES, LLC](https://specstream.ai/data/federal-awards/recipient/eastern-shawnee-professional-services-llc-qve4kuvm3xs1) | Small Business | 2 | $137,136 | 0.0% |
| VERMONT ELECTRICAL CONTRACTING LLC | Small Business | 1 | $136,778 | 0.0% |
| [BUSINESS PREP, LLC](https://specstream.ai/data/federal-awards/recipient/business-prep-llc-tmgzb1sh1fl1) | Small Business | 1 | $136,000 | 0.0% |
| ARMSTRONG LOCK INC. | Small Business | 1 | $135,553 | 0.0% |
| [LIGHTPATH SOLUTIONS LLC](https://specstream.ai/data/federal-awards/recipient/lightpath-solutions-llc-wx7klwyrk3q3) | Small Business | 2 | $135,200 | 0.0% |
| [SOLARSAT LIMITED](https://specstream.ai/data/federal-awards/recipient/solarsat-limited-lg1mpawacfk4) | Other Than Small Business | 4 | $134,089 | 0.0% |
| [LOGAN CURRITO, LLC](https://specstream.ai/data/federal-awards/recipient/logan-currito-llc-f9ygqc1qduj3) | Small Business | 1 | $133,876 | 0.0% |
| ALLIED IT SYSTEMS, LLC | Small Business | 1 | $133,365 | 0.0% |
| [SYSTEC LTD OF WISCONSIN INC](https://specstream.ai/data/federal-awards/recipient/systec-ltd-of-wisconsin-inc-hv1jq83a8396) | Small Business | 3 | $132,955 | 0.0% |
| [MILLER COMMUNICATIONS INC](https://specstream.ai/data/federal-awards/recipient/miller-communications-inc-l54xfuuclz74) | Small Business | 4 | $132,631 | 0.0% |
| [T & T TECHNOLOGY LLC](https://specstream.ai/data/federal-awards/recipient/t-t-technology-llc-mrl9nrnj2ex4) | Small Business | 3 | $131,384 | 0.0% |
| [WESTNET, LLC](https://specstream.ai/data/federal-awards/recipient/westnet-llc-gynamav5mhm3) | Small Business | 3 | $129,235 | 0.0% |
| [DARI CONCEPTS LLC](https://specstream.ai/data/federal-awards/recipient/dari-concepts-llc-flqyg6wy28s3) | Other Than Small Business | 3 | $127,619 | 0.0% |
| [SOUND SAFE SECURITY LLC](https://specstream.ai/data/federal-awards/recipient/sound-safe-security-llc-n5kfl4au53e8) | Small Business | 4 | $126,937 | 0.0% |
| [NOKOMIS, INC](https://specstream.ai/data/federal-awards/recipient/nokomis-inc-yapuzlnj1856) | Small Business | 2 | $126,741 | 0.0% |
| [FIRENET SYSTEMS, INC.](https://specstream.ai/data/federal-awards/recipient/firenet-systems-inc-q48pwm66ljq3) | Small Business | 2 | $126,366 | 0.0% |
| [DYNAMIC SYSTEMS INTEGRATION, INC](https://specstream.ai/data/federal-awards/recipient/dynamic-systems-integration-inc-kakrayd88dd3) | Small Business | 2 | $125,943 | 0.0% |
| [MERIDIAN SECURITY SYSTEMS INC.](https://specstream.ai/data/federal-awards/recipient/meridian-security-systems-inc-e8ykmnbm8m44) | Small Business | 9 | $125,889 | 0.0% |
| [GLOBAL SOLUTIONS GROUP, INC.](https://specstream.ai/data/federal-awards/recipient/global-solutions-group-inc-vh3ue9s2t6e5) | Small Business | 3 | $125,379 | 0.0% |
| [ACCESS UNLIMITED & SECURITY INC](https://specstream.ai/data/federal-awards/recipient/access-unlimited-security-inc-npcktl4e9hu1) | Small Business | 1 | $125,366 | 0.0% |
| [SENTINEL SERVICES, LLC](https://specstream.ai/data/federal-awards/recipient/sentinel-services-llc-c1nzb7kdtek3) | Small Business | 2 | $124,850 | 0.0% |
| [SERVEXO, INC.](https://specstream.ai/data/federal-awards/recipient/servexo-inc-lw9xmdpn1jf5) | Small Business | 2 | $124,786 | 0.0% |
| [KINGS III OF AMERICA, LLC](https://specstream.ai/data/federal-awards/recipient/kings-iii-of-america-llc-rl4jazjvudm5) | Small Business | 11 | $124,032 | 0.0% |
| [BERKELEY VARITRONICS SYSTEMS, INC](https://specstream.ai/data/federal-awards/recipient/berkeley-varitronics-systems-inc-lyv4rpjmgbt9) | Small Business | 4 | $123,441 | 0.0% |
| [GFA GESELLSCHAFT FÜR ANLAGENBAU MBH](https://specstream.ai/data/federal-awards/recipient/gfa-gesellschaft-f-r-anlagenbau-mbh-yb7ntqk49lv5) | Other Than Small Business | 1 | $122,778 | 0.0% |
| [THE HILLER COMPANIES LLC](https://specstream.ai/data/federal-awards/recipient/the-hiller-companies-llc-fqjtkznf6gy5) | Other Than Small Business | 6 | $122,461 | 0.0% |
| [AMERICAN ALARM & COMMUNICATIONS, INC.](https://specstream.ai/data/federal-awards/recipient/american-alarm-communications-inc-pkzrj5lzn7j1) | Other Than Small Business | 3 | $121,948 | 0.0% |
| [CALIFORNIA PACIFIC TECHNICAL SERVICES LLC](https://specstream.ai/data/federal-awards/recipient/california-pacific-technical-services-llc-f2cmz4jjgdp3) | Small Business | 3 | $121,864 | 0.0% |
| [VULCAN FIRE AND SECURITY LLC](https://specstream.ai/data/federal-awards/recipient/vulcan-fire-and-security-llc-e8yrpqy4m3j1) | Small Business | 2 | $121,827 | 0.0% |
| COASTAL INTEGRATORS LLC | Small Business | 1 | $121,111 | 0.0% |
| [TXAT LATAM SAPI DE CV](https://specstream.ai/data/federal-awards/recipient/txat-latam-sapi-de-cv-dpnbsurwqrg6) | Other Than Small Business | 1 | $120,709 | 0.0% |
| [BARN OWL TECH, INC.](https://specstream.ai/data/federal-awards/recipient/barn-owl-tech-inc-jw5mjakdkla5) | Small Business | 1 | $120,531 | 0.0% |
| [JHL INTEGRATIONS INC](https://specstream.ai/data/federal-awards/recipient/jhl-integrations-inc-sszug7l1bj88) | Small Business | 1 | $120,300 | 0.0% |
| [NEWA ENTERPRISES, INC.](https://specstream.ai/data/federal-awards/recipient/newa-enterprises-inc-f8hjh75cykw1) | Small Business | 1 | $119,620 | 0.0% |
| [SOUTHEAST EXTINGUISHER SERVICE, INC.](https://specstream.ai/data/federal-awards/recipient/southeast-extinguisher-service-inc-qj13tvdpczp3) | Small Business | 10 | $119,261 | 0.0% |
| [W. W. GAY FIRE PROTECTION, INC.](https://specstream.ai/data/federal-awards/recipient/w-w-gay-fire-protection-inc-h63lk5cafz46) | Other Than Small Business | 2 | $119,226 | 0.0% |
| [SIEMENS CANADA LIMITED](https://specstream.ai/data/federal-awards/recipient/siemens-canada-limited-yn9bkdbmhex9) | Other Than Small Business | 2 | $118,018 | 0.0% |
| [UNDERWOOD FEDERAL SOLUTIONS LLC](https://specstream.ai/data/federal-awards/recipient/underwood-federal-solutions-llc-m48af5adm6k5) | Small Business | 2 | $116,907 | 0.0% |
| INTERTECH SECURITY, LLC | Other Than Small Business | 1 | $115,382 | 0.0% |
| [TIMITRON CORPORATION](https://specstream.ai/data/federal-awards/recipient/timitron-corporation-dkpcmhujth37) | Small Business | 1 | $114,002 | 0.0% |
| [NOREL SERVICE CO., LLC](https://specstream.ai/data/federal-awards/recipient/norel-service-co-llc-jxs8xbuey4k8) | Small Business | 3 | $113,723 | 0.0% |
| [D. H. PACE COMPANY, INC.](https://specstream.ai/data/federal-awards/recipient/d-h-pace-company-inc-w68bbqnryy89) | Other Than Small Business | 6 | $113,384 | 0.0% |
| [ARIEL INDUSTRIES INC](https://specstream.ai/data/federal-awards/recipient/ariel-industries-inc-luqcql34q799) | Small Business | 2 | $112,826 | 0.0% |
| [EAGLE INTEGRATED SERVICES INCORPORATED](https://specstream.ai/data/federal-awards/recipient/eagle-integrated-services-incorporated-hy7bjk6j52d5) | Small Business | 3 | $112,782 | 0.0% |
| [TALON EXPEDITIONARY SERVICES, LLC](https://specstream.ai/data/federal-awards/recipient/talon-expeditionary-services-llc-erwex2s9qr25) | Small Business | 11 | $112,320 | 0.0% |
| [NIELS BRUNO](https://specstream.ai/data/federal-awards/recipient/niels-bruno-hkstf5w41nr1) | Other Than Small Business | 1 | $112,240 | 0.0% |
| [RAIDEN CO., LTD.](https://specstream.ai/data/federal-awards/recipient/raiden-co-ltd-n1z8yzn8uul5) | Other Than Small Business | 2 | $112,172 | 0.0% |
| [INTELLECTUAL CONCEPTS LLC](https://specstream.ai/data/federal-awards/recipient/intellectual-concepts-llc-ut63kmjhmtj8) | Small Business | 2 | $111,350 | 0.0% |
| RADIONIX LLC | Other Than Small Business | 1 | $110,591 | 0.0% |
| TERAMIND INC. | Other Than Small Business | 1 | $110,001 | 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/).