401(k) · DOL Form 5500 · 2024

Retirement Plan of 3si Security Systems, Inc.

Data updated 2026-05-15

$24M
Total assets
253
Participants
74th
Percentile by assets
$95,289
Avg per participant

Sponsored by 3si Security Systems, Inc. · Pennsylvania · Manufacturing

What the 2024 filing shows

Retirement Plan of 3si Security Systems, Inc. holds $24M for 253 participants - about $95,289 per participant, above the median plan by assets, up 9.9% over the 2024 plan year.

$24M
total plan assets (2024 EOY)
253
covered participants
74th
percentile by assets (of 116,472 plans)
$95,289
avg assets per participant
State
Industry
Manufacturing

401(k) · DOL Form 5500 · 2024

What the Filing Says About Retirement Plan of 3si Security Systems, Inc.

Retirement Plan of 3si Security Systems, Inc. is a 401(k) retirement plan sponsored by 3si Security Systems, Inc., headquartered in Pennsylvania. According to the U.S. Department of Labor's 2024 Form 5500 filing, the plan reports $24M in total end-of-year assets and covers 253 participants across the Manufacturing industry. The sponsor's EIN on file with the U.S. Department of Labor is 371434250, and the plan has been effective since 2002-07-25. Its filing status is currently FILING RECEIVED.

Year over year, total assets grew at a solid clip from $22M at the beginning of 2024 to $24M at year-end - up 9.9%. Net assets (after liabilities) closed the year at $24M, with reported net income of $2M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Across the 3 plan years 3si Security Systems, Inc. has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $20M to $24M, a gain of 22.5%, while reported participants moved from 187 to 253 (+35.3%). The strongest year on file by total sponsor assets was 2024 at $24M; the softest was 2022 at $20M. Year-by-year, sponsor-wide filings show: 2022 - $20M in assets across 1 plan covering 187 participants; 2023 - $22M in assets across 1 plan covering 200 participants; 2024 - $24M in assets across 1 plan covering 253 participants.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

How the percentile is calculated: we count every plan that filed a 2024 Form 5500 with a reported end-of-year asset figure (116,472 plans), rank Retirement Plan of 3si Security Systems, Inc. against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.

Financial Summary (2024)

Total Assets (Beginning of Year)$22M
Total Assets (End of Year)$24M
Net Assets (End of Year)$24M
Net Income$2M
Plan Type401(k)
Employer EIN371434250
Plan Effective Date2002-07-25
Filing StatusFILING RECEIVED

Sponsor Plan History (3si Security Systems, Inc.)

Year Plans Participants Total Assets
2022 1 187 $20M
2023 1 200 $22M
2024 1 253 $24M

Nearby 401(k) Plans in Pennsylvania

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Frequently Asked Questions

How much money is in the Retirement Plan of 3si Security Systems, Inc.?
As of the 2024 Form 5500 filing, Retirement Plan of 3si Security Systems, Inc. holds $24M in total assets with 253 participants. It is sponsored by 3si Security Systems, Inc..
What type of plan is Retirement Plan of 3si Security Systems, Inc.?
Retirement Plan of 3si Security Systems, Inc. is a 401(k) plan. It has been effective since 2002-07-25. The plan is filed with the U.S. Department of Labor under EIN 371434250.
Who sponsors the Retirement Plan of 3si Security Systems, Inc.?
Retirement Plan of 3si Security Systems, Inc. is sponsored by 3si Security Systems, Inc., located in Pennsylvania. The sponsor's EIN is 371434250 and the plan operates in the Manufacturing industry.
How did Retirement Plan of 3si Security Systems, Inc. perform in 2024?
Retirement Plan of 3si Security Systems, Inc. grew at a solid clip - up 9.9% during 2024, moving from $22M to $24M in total assets. Net income was $2M.

What this filing means

Ways to act on Retirement Plan of 3si Security Systems, Inc.'s numbers.

  • By total assets, Retirement Plan of 3si Security Systems, Inc. ranks above the median plan by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Pennsylvania. Compare plans
  • 3si Security Systems, Inc.'s sponsor-wide assets have grown 22.5% since 2022 across 3 plan years on file. More Manufacturing plans
  • A 401(k) plan works differently from other retirement plan types, understand the structural differences before comparing. Compare plan types

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 371434250.

Reference: IRS Publication 560, Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B, Distributions from IRAs, RMD rules under SECURE Act 2.0.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.

Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-15.