401(k) · DOL Form 5500 · 2024

Stone Plastics and Manufacturing Inc 401(k) Plan

Data updated 2026-08-25

$7M
Total assets Small plan by assets
148
Participants Small participant base
47th
Percentile by assets National rank
$43,960
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Stone Plastics and Manufacturing Inc 401(k) Plan · Sponsored by Stone Plastics and Manufacturing Inc · Michigan · Manufacturing

$7M in assets, 148 participants

Stone Plastics and Manufacturing Inc's Stone Plastics and Manufacturing Inc 401(k) Plan reported $7M in total assets and 148 participants in its 2024 DOL Form 5500 filing, ranking in the 47th 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.

  • #5,433 in Manufacturing (17,777 peers)

Coverage in Michigan

Stone Plastics and Manufacturing Inc 401(k) Plan covers 148 participants in Michigan, about 23% of the average Michigan filer (state average ~638 per filing). Assets: $7M.

#5,433
in Manufacturing (17,777 peers)
+18.9%
assets growth YoY

Stone Plastics and Manufacturing Inc 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Stone Plastics and Manufacturing Inc 401(k) Plan vs every filed plan by assets

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

$6,506,123 47th percentile higher than 47% 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

Stone Plastics and Manufacturing Inc 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. Stone Plastics and Manufacturing Inc 401(k) Plan sits mid-pack in the medium band (148 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Stone Plastics and Manufacturing Inc 401(k) Plan reported net income rose from $847K in the plan year 2023 filing to $1M in the plan year 2024 filing.
  • Stone Plastics and Manufacturing Inc 401(k) Plan end-of-year assets rose from $5M in the plan year 2023 filing to $7M in the plan year 2024 filing.
  • Stone Plastics and Manufacturing Inc 401(k) Plan reported participants rose from 144 in the plan year 2023 filing to 148 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 383479787 · Stone Plastics and Manufacturing Inc PY 2024 · 401(k)

Stone Plastics and Manufacturing Inc 401(k) Plan · $7M · 148 · 47th

  • TYPE $7M
  • NET 148
  • BOOK 47th
  • VS-ST 401(k)
  • BOY near Alliance Collection Agencies, Inc. 401(k) Plan
  • SCH ind #5433

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 Manufacturing retirement plans → · Plans in Michigan →

Stone Plastics and Manufacturing Inc 401(k) Plan in the asset neighbourhood

Stone Plastics and Manufacturing Inc 401(k) PlanStone Plastics and Manufactu…$7MAlliance Collection Agencies, Inc. 401(k) PlanAlliance Collection Agencies…$7MPhg Retirement Plan$7MRaumedic 401(k) Retirement PlanRaumedic 401(k) Retirement P…$7MNorth State Electrical Contractors, Inc. 401(k) PlanNorth State Electrical Contr…$7M
End-of-year total assets ($M) among Stone Plastics and Manufacturing Inc 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Michigan filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$7M
Net Income$1M
Employer EIN383479787
Plan Effective Date2005-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Stone Plastics and Manufacturing Inc)

Sponsor-wide plan assets over time

All Stone Plastics and Manufacturing Inc plans reported in each filing year

Latest sponsor-wide plan assets
$7M 40.612154876195135% vs 2022
2024 filing year
$4M$5M$6M$7M 202220232024 $4.63M $6.51M ▲ +40.6%
Year Plans Participants Total Assets
2022 1 146 $5M
2023 1 144 $5M
2024 1 148 $7M

Nearby 401(k) Plans in Michigan

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

Stone Plastics and Manufacturing Inc 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -100102030 Total assets ($B) Participants Stone Plastics and Manufacturing Inc 401(k) Plan, Total assets ($B): 0.006506123 · Participants: 148Stone Plastics and Manufacturing Inc 401(k) PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 23.0591668 · Participants: 43053General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 17.26893589 · Participants: 31790Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 10.768606712 · Participants: 17128The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 9.568379082 · Participants: 42513The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 8.2932975 · Participants: 60497Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Stone Plastics and Manufacturing Inc 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Stone Plastics and Manufacturing Inc 401(k) Plan side-by-side with 3 peers →

Stone Plastics and Manufacturing Inc 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Alliance Collection Agencies, Inc. 401(k) Plan in WI ($7M); by covered participants it is Contentful 401(k) Plan in CO (148 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($7M here).

Similar participant headcount

Nearest other-state filings by covered participants (148 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 Stone Plastics and Manufacturing Inc 401(k) Plan assets move in 2024? ▼
Stone Plastics and Manufacturing Inc 401(k) Plan grew sharply - up 18.9% during 2024, from $5M to $7M. Reported net income was $1M.
How have Stone Plastics and Manufacturing Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Stone Plastics and Manufacturing Inc's sponsor-wide assets grew 40.6%, from $5M to $7M.
Which 401(k) plans are similar in size to Stone Plastics and Manufacturing Inc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Alliance Collection Agencies, Inc. 401(k) Plan in WI ($7M, 115 participants).
Which 401(k) plans cover a similar participant headcount to Stone Plastics and Manufacturing Inc 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Contentful 401(k) Plan in CO (148 participants, $8M 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 383479787.

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.