Defined Benefit (Pension) · DOL Form 5500 · 2023

American Ordnance, LLC C/O Iowa Army Ammunition Plant Pension Plan

Data updated 2026-08-25

$94M
Total assets Below avg plan size
157
Participants Small participant base
91st
Percentile by assets National rank
$601,224
Avg per participant High balance/head
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Official DOL plan name: Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) · Sponsored by American Ordnance, LLC C/O Iowa Army Ammunition Plant · Pennsylvania · Manufacturing

$94M in assets, 157 participants

American Ordnance, LLC C/O Iowa Army Ammunition Plant's Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) reported $94M in total assets and 157 participants in its 2023 DOL Form 5500 filing, ranking in the 91st 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.

  • #16,142 in Manufacturing (18,722 peers)

Coverage in Pennsylvania

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) covers 157 participants in Pennsylvania, about 19% of the average Pennsylvania filer (state average ~822 per filing). Assets: $94M.

#16,142
in Manufacturing (18,722 peers)
+96.9%
assets growth YoY
0.9×
vs typical plan assets (national mean)

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)'s outsized position by total assets

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) vs every filed plan by assets

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

$94,392,199 Top 9% higher than 91% 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

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) 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. Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) sits mid-pack in the medium band (157 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) reported net income rose from -$16M in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) end-of-year assets rose from $48M in the plan year 2022 filing to $94M in the plan year 2023 filing.
  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) reported participants fell from 174 in the plan year 2022 filing to 157 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 621735307 · American Ordnance, LLC C/O Iowa Army Ammunition Plant PY 2023 · Defined Benefit (Pension)

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) · $94M · 157 · 91st

  • EBSA $94M
  • EBSA 157
  • EBSA 91st
  • EBSA Defined Benefit (Pension)
  • EBSA near Abbott Puerto Rico Retirement Plan
  • EBSA ind #16142

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 Pennsylvania →

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) in the asset neighbourhood

United Steelworkers of America, AFL-CIO-Clc Highway Contractors Multi-Employer Pension PlanUnited Steelworkers of Ameri…$95MDay and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)Day and Zimmermann Ao/Mhg Me…$94MAbbott Puerto Rico Retirement PlanAbbott Puerto Rico Retiremen…$94MPension Plan of Holman EnterprisesPension Plan of Holman Enter…$94MRetirement Plan of the Wine, Liquor & Distillery Workers Union Local 1d Pension FundRetirement Plan of the Wine,…$94M
End-of-year total assets ($M) among Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Pennsylvania filing particulars

Total Assets (Beginning of Year)$48M
Net Assets (End of Year)$94M
Net Income$2M
Employer EIN621735307
Plan Effective Date1961-04-21
Filing StatusFILING RECEIVED

Sponsor Plan History (American Ordnance, LLC C/O Iowa Army Ammunition Plant)

Sponsor-wide plan assets over time

All American Ordnance, LLC C/O Iowa Army Ammunition Plant plans reported in each filing year

Latest sponsor-wide plan assets
$88M 0.26557624884714254% vs 2022
2024 filing year
$86M$88M$90M$92M$94M$96M 202220232024 $88.1M $88.3M ▲ +0.3%
Year Plans Participants Total Assets
2022 3 217 $88M
2023 3 192 $94M
2024 1 172 $88M

Nearby Defined Benefit (Pension) Plans in Pennsylvania

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) vs. nearby Defined Benefit (Pension) plans in Pennsylvania, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap), Total assets ($B): 0.094392199 · Participants: 157Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)National Elevator Industry Pension Plan, Total assets ($B): 11.224377797 · Participants: 27434National Elevator Industry Pension PlanSteelworkers Pension Trust, Total assets ($B): 6.602912146 · Participants: 47052Steelworkers Pension TrustThe PNC Financial Services Group, Inc. Pension Plan, Total assets ($B): 5.63715 · Participants: 63680The PNC Financial Services Group, Inc. Pension PlanConstellation Retirement Program, Total assets ($B): 5.323012123 · Participants: 5080Constellation Retirement ProgramThe Bank of New York Mellon Corporation Pension Plan, Total assets ($B): 5.257223708 · Participants: 7374The Bank of New York Mellon Corporation Pension Plan
Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) vs. nearby Defined Benefit (Pension) plans in Pennsylvania, assets vs. participants
Compare Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) side-by-side with 3 peers →

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)'s out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Pennsylvania, the nearest Defined Benefit (Pension) by assets is Abbott Puerto Rico Retirement Plan in IL ($94M); by covered participants it is Massachusetts Medical Society Pension Plan in MA (157 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (157 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 Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) assets move in 2023? ▼
Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) surged - up 96.9% during 2023, from $48M to $94M. Reported net income was $2M.
How have American Ordnance, LLC C/O Iowa Army Ammunition Plant plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), American Ordnance, LLC C/O Iowa Army Ammunition Plant's sponsor-wide assets grew 0.3%, from $88M to $88M.
Where does Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) rank by assets among Form 5500 filers? ▼
Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) ranks in the 91st percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Abbott Puerto Rico Retirement Plan in IL ($94M, 388 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Massachusetts Medical Society Pension Plan in MA (157 participants, $146M 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 621735307.

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.