National Security Corporation is a South Dakota corporation, registered on April 19, 2021. It is based at 25 FIRST AVENUE SW, WATERTOWN, SD, 57201. The company has since been marked dissolved on the South Dakota register, is registered under company number DB201177 and carries EIN 050400454. Its E-Verify enrollment reports a workforce of 20 to 99 employees, hiring at 1 site in Rhode Island. Public records for the company include 1 SoS registration, 1 federal contract, 4 loan records, 1 E-Verify record and 17 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | National Security Corporation |
|---|---|
| Principal address | 25 FIRST AVENUE SWWATERTOWN57201SDUnited States |
| Registration state | South Dakota |
| Status | Dissolved |
| Registered | 19 April 2021 (over 5 years ago) |
| Entity type | Corporation |
| Standing | not compliant |
| Company number | DB201177 |
| EIN | 050400454 |
| Employees (modeled) | ≈39 employees2025 |
| Workforce size | 20 to 99 employees · updated 4 August 2010 |
| Hiring sites |
|---|
| 1 site in Rhode Island |
| Registered agent | SD REGISTERED AGENTS LLC |
|---|
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
|---|
| Public records | 1 SoS registration |
|---|
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| Est. revenue (modeled) | $7M2025 |
|---|---|
| Federal contractor | Yes · 1 federal recipient record (SAM) |
| SBA loans | $613K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | National Security Corporation | 2021-04-19 | SD REGISTERED AGENTS LLC | — | Dissolved | |
Filing ID DB201177 Jurisdiction Domestic · Corporation Principal address 25 FIRST AVENUE SW, WATERTOWN, SD, 57201 Registered agent SD REGISTERED AGENTS LLC25 1ST AVE SW, STE A, WATERTOWN, SD, 57201 Officers Not reported | ||||||
Companies and people linked to National Security Corporation in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
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Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $18,600 | 05/28/2020 | Navy FCU | 1 | Paid in Full | |
| $282,700 | 04/15/2020 | Citizens Bank, National Association | 30 | Paid in Full | |
| $18,596 | 02/06/2021 | Navy FCU | 1 | Paid in Full | |
| $292,800 | 01/27/2021 | Union National Bank | 26 | Paid in Full | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| Rhode Island | 20 to 99 | 1 | 8/11/2008 | CONSTRUCTION (23) | Open | |
Employee-benefit plan filings by National Security Corporation with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈39 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $7M |
| Retirement plan assets | $2.4M |
| Benefit plans | 401(k) plan on file |
| Filing history | 27 plan years filed, 1999–2025 |
| Sponsor EIN | 05-0400454 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈39 | 40 (35 active) | $2.4M | $7M | 401(k) | |
| 2024 | ≈38 | 39 (34 active) | $1.9M | $6.4M | 401(k) | |
| 2023 | ≈36 | 38 (32 active) | $1.6M | $6.4M | 401(k) | |
| 2022 | ≈38 | 39 (34 active) | $1.4M | $6.1M | 401(k) | |
| 2021 | ≈36 | 39 (32 active) | $1.6M | $5.5M | 401(k) | |
| 2020 | ≈32 | 35 (29 active) | $1.3M | $5M | 401(k) | |
| 2019 | ≈39 | 38 (35 active) | $1.3M | $5.5M | 401(k) | |
| 2018 | ≈42 | 36 (38 active) | $1.2M | $2.1M | 401(k) | |
| 2017 | ≈17 | 27 (15 active) | $1.3M | $3.9M | 401(k) | |
| 2016 | ≈17 | 23 (15 active) | $1M | $3M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN & TRUST | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN & TRUST | — | — | — | |
| NATIONAL SECURITY CORPORATION 401 K PROFIT SHARIN PLAN | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN & TRUST | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN & TRUST | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN | — | — | — | |
| NATIONAL SECURITY CORPORATION 401(K) PROFIT SHARING PLAN & TRUST | — | — | — | |
| NATIONAL SECURITY CORPORATION 401 K PROFIT SHARING PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to National Security Corporation in the South Dakota Secretary of State register, in alphabetical order.
3 companies are registered at 25 FIRST AVENUE SW, WATERTOWN — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-06-17. Document getpalm-companies/9779-7246-5681.