401(k) · DOL Form 5500 · 2024

Marine Systems Corporation 401(k) Plan

Data updated 2026-08-25

$9M
Total assets Small plan by assets
156
Participants Small participant base
53rd
Percentile by assets National rank
$56,341
Avg per participant Low balance/head
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Official DOL plan name: Marine Systems Corporation 401(k) Plan · Sponsored by Marine Systems Corporation · Massachusetts · Professional & Technical Services

$9M in assets, 156 participants

Marine Systems Corporation's Marine Systems Corporation 401(k) Plan reported $9M in total assets and 156 participants in its 2024 DOL Form 5500 filing, ranking in the 53rd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #10,317 in Professional & Technical Services (20,173 peers)

Coverage in Massachusetts

Marine Systems Corporation 401(k) Plan covers 156 participants in Massachusetts, about 24% of the average Massachusetts filer (state average ~659 per filing). Assets: $9M.

#10,317
in Professional & Technical Services (20,173 peers)
+11.2%
assets growth YoY

Marine Systems Corporation 401(k) Plan's mid-pack asset rank among Professional & Technical Services and all filers

Marine Systems Corporation 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$8,789,254 Top 47% higher than 53% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Marine Systems Corporation 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marine Systems Corporation 401(k) Plan sits mid-pack in the medium band (156 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Marine Systems Corporation 401(k) Plan reported net income fell from $2M in the plan year 2023 filing to $887K in the plan year 2024 filing.
  • Marine Systems Corporation 401(k) Plan reported participants rose from 138 in the plan year 2023 filing to 156 in the plan year 2024 filing.
  • Marine Systems Corporation 401(k) Plan end-of-year assets rose from $8M in the plan year 2023 filing to $9M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 042526598 · Marine Systems Corporation PY 2024 · 401(k)

Marine Systems Corporation 401(k) Plan · $9M · 156 · 53rd

  • 5500 $9M
  • ASSETS 156
  • PCT 53rd
  • EIN 401(k)
  • RANK near Lake State Railway Company 401(k) Profit Sharing Plan
  • PHOTO ind #10317

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Massachusetts →

Marine Systems Corporation 401(k) Plan in the asset neighbourhood

Marine Systems Corporation 401(k) PlanMarine Systems Corporation 4…$9MLake State Railway Company 401(k) Profit Sharing PlanLake State Railway Company 4…$9MHenning Construction Company 401(k) PlanHenning Construction Company…$9MAceco Machine Works, Inc. 401(k) PlanAceco Machine Works, Inc. 40…$9MAbco Peerless Sprinkler Corp. 401(k) Profit Sharing PlanAbco Peerless Sprinkler Corp…$9M
End-of-year total assets ($M) among Marine Systems Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$8M
Net Assets (End of Year)$9M
Net Income$887K
Employer EIN042526598
Plan Effective Date1987-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marine Systems Corporation)

Sponsor-wide plan assets over time

All Marine Systems Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$9M 37.629674912725356% vs 2022
2024 filing year
$6M$7M$8M$9M$10M 202220232024 $6.39M $8.79M ▲ +37.6%
Year Plans Participants Total Assets
2022 1 134 $6M
2023 1 138 $8M
2024 1 156 $9M

Nearby 401(k) Plans in Massachusetts

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

Marine Systems Corporation 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Marine Systems Corporation 401(k) Plan, Total assets ($B): 0.008789254 · Participants: 156Marine Systems Corporation 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Marine Systems Corporation 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Marine Systems Corporation 401(k) Plan side-by-side with 3 peers →

Marine Systems Corporation 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Lake State Railway Company 401(k) Profit Sharing Plan in MI ($9M); by covered participants it is Z & Z Holding Company, Inc. 401(k) Profit Sharing Plan in OR (156 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (156 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Marine Systems Corporation 401(k) Plan assets move in 2024? ▼
Marine Systems Corporation 401(k) Plan grew at a solid clip - up 11.2% during 2024, from $8M to $9M. Reported net income was $887K.
How have Marine Systems Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Marine Systems Corporation's sponsor-wide assets grew 37.6%, from $6M to $9M.
Which 401(k) plans are similar in size to Marine Systems Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Lake State Railway Company 401(k) Profit Sharing Plan in MI ($9M, 139 participants).
Which 401(k) plans cover a similar participant headcount to Marine Systems Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Z & Z Holding Company, Inc. 401(k) Profit Sharing Plan in OR (156 participants, N/A in assets).

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 042526598.

Read our methodology - how this data is sourced, computed, and verified.

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