401(k) · DOL Form 5500 · 2023

System Dynamics International, Inc. 401(k) Plan

Data updated 2026-08-25

$13M
Total assets Small plan by assets
135
Participants Small participant base
64th
Percentile by assets National rank
$93,611
Avg per participant Below avg balance/head
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Official DOL plan name: System Dynamics International, Inc. 401(k) Plan · Sponsored by System Dynamics International, Inc. · Alabama · Manufacturing

$13M in assets, 135 participants

System Dynamics International, Inc.'s System Dynamics International, Inc. 401(k) Plan reported $13M in total assets and 135 participants in its 2023 DOL Form 5500 filing, ranking in the 64th 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.

  • #9,578 in Manufacturing (18,722 peers)

Coverage in Alabama

System Dynamics International, Inc. 401(k) Plan covers 135 participants in Alabama, about 38% of the average Alabama filer (state average ~360 per filing). Assets: $13M.

#9,578
in Manufacturing (18,722 peers)
+3.5%
assets growth YoY

System Dynamics International, Inc. 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

System Dynamics International, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$12,637,428 Top 36% higher than 64% of 127,068 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 2023

System Dynamics International, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. System Dynamics International, Inc. 401(k) Plan sits mid-pack in the medium band (135 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • System Dynamics International, Inc. 401(k) Plan reported net income rose from -$1M in the plan year 2022 filing to $428K in the plan year 2023 filing.
  • System Dynamics International, Inc. 401(k) Plan reported participants rose from 79 in the plan year 2022 filing to 135 in the plan year 2023 filing.
  • System Dynamics International, Inc. 401(k) Plan end-of-year assets rose from $12M in the plan year 2022 filing to $13M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 591923177 · System Dynamics International, Inc. PY 2023 · 401(k)

System Dynamics International, Inc. 401(k) Plan · $13M · 135 · 64th

  • NET $13M
  • NET 135
  • NET 64th
  • NET 401(k)
  • NET near Grannas Brothers Retirement Plan
  • NET ind #9578

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 Alabama →

System Dynamics International, Inc. 401(k) Plan in the asset neighbourhood

System Dynamics International, Inc. 401(k) PlanSystem Dynamics Internationa…$13MGrannas Brothers Retirement PlanGrannas Brothers Retirement …$13MEmac 401(k) Plan$13MBenteler Automotive Corporation Holland Union Savings/Retirement PlanBenteler Automotive Corporat…$13MPreston Chevrolet-Cadillac Inc. 401(k) PlanPreston Chevrolet-Cadillac I…$13M
End-of-year total assets ($M) among System Dynamics International, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Alabama filing particulars

Total Assets (Beginning of Year)$12M
Net Assets (End of Year)$13M
Net Income$428K
Employer EIN591923177
Plan Effective Date1991-08-23
Filing StatusFILING RECEIVED

Sponsor Plan History (System Dynamics International, Inc.)

Sponsor-wide plan assets over time

All System Dynamics International, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$13M 8.146876607656102% vs 2022
2024 filing year
$12M$12.5M$13M$13.5M 202220232024 $12.2M $13.2M ▲ +8.2%
Year Plans Participants Total Assets
2022 1 79 $12M
2023 1 135 $13M
2024 1 43 $13M

Nearby 401(k) Plans in Alabama

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

System Dynamics International, Inc. 401(k) Plan vs. nearby 401(k) plans in Alabama, assets vs. participants Scatter plot of 6 data points. -100000100002000030000 -10123 Total assets ($B) Participants System Dynamics International, Inc. 401(k) Plan, Total assets ($B): 0.012637428 · Participants: 135System Dynamics International, Inc. 401(k) PlanRegions Financial Corporation 401(k) Plan, Total assets ($B): 2.854553916 · Participants: 20733Regions Financial Corporation 401(k) PlanEncompass Health Corporation 401(k) Retirement Plan, Total assets ($B): 1.49327201 · Participants: 24565Encompass Health Corporation 401(k) Retirement PlanHexagon Employee Retirement Savings Plan, Total assets ($B): 1.479278219 · Participants: 4618Hexagon Employee Retirement Savings PlanVulcan 401(k) Plan, Total assets ($B): 1.361024189 · Participants: 9487Vulcan 401(k) PlanMercedes-Benz U.S. International, Inc. Retirement and Savings Plan, Total assets ($B): 1.090263356 · Participants: 0Mercedes-Benz U.S. International, Inc. Retirement and Savings Plan
System Dynamics International, Inc. 401(k) Plan vs. nearby 401(k) plans in Alabama, assets vs. participants
Compare System Dynamics International, Inc. 401(k) Plan side-by-side with 3 peers →

System Dynamics International, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Alabama, the nearest 401(k) by assets is Grannas Brothers Retirement Plan in PA ($13M); by covered participants it is Seven Hills Ob-Gyn Associates, Inc. Profit Sharing Plan in NJ (135 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($13M here).

Similar participant headcount

Nearest other-state filings by covered participants (135 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did System Dynamics International, Inc. 401(k) Plan assets move in 2023? ▼
System Dynamics International, Inc. 401(k) Plan edged up modestly - up 3.5% during 2023, from $12M to $13M. Reported net income was $428K.
How have System Dynamics International, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), System Dynamics International, Inc.'s sponsor-wide assets grew 8.1%, from $12M to $13M.
Which 401(k) plans are similar in size to System Dynamics International, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Grannas Brothers Retirement Plan in PA ($13M, 113 participants).
Which 401(k) plans cover a similar participant headcount to System Dynamics International, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Seven Hills Ob-Gyn Associates, Inc. Profit Sharing Plan in NJ (135 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 591923177.

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.