Defined Benefit (Pension) · DOL Form 5500 · 2024

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

Data updated 2026-08-25

$88M
Total assets Below avg plan size
172
Participants Small participant base
90th
Percentile by assets National rank
$513,333
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

$88M in assets, 172 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 $88M in total assets and 172 participants in its 2024 DOL Form 5500 filing, ranking in the 90th 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.

  • #15,042 in Manufacturing (17,777 peers)

Coverage in Pennsylvania

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) covers 172 participants in Pennsylvania, about 21% of the average Pennsylvania filer (state average ~822 per filing). Assets: $88M.

#15,042
in Manufacturing (17,777 peers)
-6.5%
assets change YoY
0.9×
vs typical plan assets (national mean)

The plan reported a net loss of $6M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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 2024 · DOL Form 5500

$88,293,321 Top 10% higher than 90% 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

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 2024 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 (172 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) reported net income fell from $2M in the plan year 2023 filing to -$6M in the plan year 2024 filing.
  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) reported participants rose from 157 in the plan year 2023 filing to 172 in the plan year 2024 filing.
  • Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) end-of-year assets fell from $94M in the plan year 2023 filing to $88M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 621735307 · American Ordnance, LLC C/O Iowa Army Ammunition Plant PY 2024 · Defined Benefit (Pension)

Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) · $88M · 172 · 90th

  • 5500 $88M
  • ASSETS 172
  • PCT 90th
  • EIN Defined Benefit (Pension)
  • RANK near Brotherhood of Locomotive Engineers and Trainmen Long Island Pension Fund
  • PHOTO ind #15042

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

Nusenda Federal Credit Union Cash Balance Defined Benefit PlanNusenda Federal Credit Union…$88MTompkins Financial Corporation Retirement PlanTompkins Financial Corporati…$88MDay and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)Day and Zimmermann Ao/Mhg Me…$88MBrotherhood of Locomotive Engineers and Trainmen Long Island Pension FundBrotherhood of Locomotive En…$88MIron Workers' Locals No. 15 & 424 Pension PlanIron Workers' Locals No. 15 …$88M
End-of-year total assets ($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 2024.

Pennsylvania filing particulars

Total Assets (Beginning of Year)$94M
Net Assets (End of Year)$88M
Net Income-$6M
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): 0.088293321 · Participants: 172Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap)National Elevator Industry Pension Plan, Total assets ($B): 12.213235301 · Participants: 28308National Elevator Industry Pension PlanSteelworkers Pension Trust, Total assets ($B): 7.234971663 · Participants: 46110Steelworkers Pension TrustThe PNC Financial Services Group, Inc. Pension Plan, Total assets ($B): 5.528998 · Participants: 58779The PNC Financial Services Group, Inc. Pension PlanThe Bank of New York Mellon Corporation Pension Plan, Total assets ($B): 5.178651926 · Participants: 6387The Bank of New York Mellon Corporation Pension PlanConstellation Retirement Program, Total assets ($B): 5.003720253 · Participants: 4809Constellation Retirement Program
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 Brotherhood of Locomotive Engineers and Trainmen Long Island Pension Fund in NY ($88M); by covered participants it is Retirement Security Plan of Womble Bond Dickinson (US), LLP - Plan a in NC (172 participants). Same-state nearby plans are listed separately above.

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 Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) assets move in 2024? ▼
Day and Zimmermann Ao/Mhg Merged Pension Plan (Formerly Known as Retirement Plan for Bargaining Employees at Iaap) pulled back noticeably - down 6.5% during 2024, from $94M to $88M. Reported net income was -$6M.
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 90th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (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 Brotherhood of Locomotive Engineers and Trainmen Long Island Pension Fund in NY ($88M, 492 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 Retirement Security Plan of Womble Bond Dickinson (US), LLP - Plan a in NC (172 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 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.