3si Security Systems 401(k) match, vesting and fees

Plan year 2024 filingRetirement Plan of 3si Security Systems, Inc. · Plan 001 · EIN 37-1434250Updated Oct 2026

What 3si Security Systems' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $489K in employer contributions, about $1,552 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$76,534
Average account balance
325
Participants (end of year)
$24.1M
Plan assets (end of year)
0.30%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperPrincipal Life Insurance CompanySchedule C ↗
Independent auditorBaker Tilly, US LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 8,908 defined-contribution plans in manufacturing with 100 to 499 participants.

3si Security Systems: employer contribution per participant$1,552
Peer median$1,847
3si Security Systems: average balance$76,534
Peer median$65,512
3si Security Systems: admin expenses ÷ assets0.30%
Peer median0.32%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $25.2M at the end of plan year 2021 to $24.1M at the end of plan year 2024.

$25.2M2021$19.7M2022$21.9M2023$24.1M2024
End-of-year figures from each plan year's Form 5500 filing for the 3si Security Systems plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024325$24.1M$489K$1,5520.30%Not publishedForm 5500 ↗
2023278$21.9M$462K$1,7850.33%Not publishedForm 5500 ↗
2022271$19.7M$375K$1,5550.33%Not publishedForm 5500 ↗
2021222$25.2M$324K$1,5280.37%Not publishedForm 5500 ↗

Common questions

Does 3si Security Systems match 401(k) contributions?

The match terms for the Retirement Plan of 3si Security Systems, Inc. have not been published from its filing yet. The plan year 2024 filing reports $489K in employer contributions, about $1,552 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the 3si Security Systems 401(k) match vested?

The vesting schedule for the Retirement Plan of 3si Security Systems, Inc. is not in the data published so far. Your Summary Plan Description states it.

Who manages the 3si Security Systems 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Principal Life Insurance Company. The plan administrator is 3si Security Systems, Inc..

I left 3si Security Systems. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (3si Security Systems, Inc., (484) 874-4518) or the recordkeeper, Principal Life Insurance Company. The 3si Security Systems old 401(k) page lists the contacts from every plan filing. Find an old 3si Security Systems 401(k)

Data from the public Form 5500 annual reports 3si Security Systems filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with 3si Security Systems. Not financial advice. Report a correction · Methodology