Defined Benefit (Pension) · DOL Form 5500 · 2024

Mra Systems, LLC Pension Plan

Data updated 2026-08-11

$113M
Total assets
254
Participants
91st
Percentile by assets
$445,246
Avg per participant
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Official DOL plan name: Middle River Aerostructure Systems Hourly Pension Plan · Sponsored by Mra Systems, LLC · Maryland · Manufacturing

$113M in assets, 254 participants

Mra Systems, LLC's Middle River Aerostructure Systems Hourly Pension Plan reported $113M in total assets and 254 participants in its 2024 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.

  • 91st percentile by assets (of 123,622 plans)
  • #15,477 in Manufacturing (17,777 peers)

Coverage in Maryland

Middle River Aerostructure Systems Hourly Pension Plan covers 254 participants in Maryland, about 27% of the average Maryland filer (state average ~929 per filing). Assets: $113M.

$113M
total plan assets (2024 EOY)
254
covered participants
91st
percentile by assets (of 123,622 plans)
$445,246
avg assets per participant

The plan reported a net loss of $5M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Middle River Aerostructure Systems Hourly Pension Plan reported net income fell from $6M in the plan year 2023 filing to -$5M in the plan year 2024 filing.
  • Middle River Aerostructure Systems Hourly Pension Plan reported participants fell from 283 in the plan year 2023 filing to 254 in the plan year 2024 filing.
  • Middle River Aerostructure Systems Hourly Pension Plan end-of-year assets fell from $118M in the plan year 2023 filing to $113M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Maryland filers

In Maryland, the average filing covers about 929 participants across 2,484 plans. Middle River Aerostructure Systems Hourly Pension Plan reports 254 participants - about 27% of that state average ($113M EOY assets).

Maryland filing particulars

Total Assets (Beginning of Year)$118M
Net Assets (End of Year)$113M
Net Income-$5M
Employer EIN522063267
Plan Effective Date1998-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mra Systems, LLC)

$300M$320M$340M$360M$380M 202220232024 $321M $357M â–˛ +11.0%
Total plan assets by year, all Mra Systems, LLC plans on file
Year Plans Participants Total Assets
2022 4 1,388 $321M
2023 4 1,276 $349M
2024 4 1,372 $357M

Nearby Defined Benefit (Pension) Plans in Maryland

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

Middle River Aerostructure Systems Hourly Pension Plan vs. nearby Defined Benefit (Pension) plans in Maryland, assets vs. participants

Middle River Aerostructure Systems Hourly Pension Plan vs. nearby Defined Benefit (Pension) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000400000 -50510152025 Total assets ($B) Participants Middle River Aerostr…National Electrical …Lockheed Martin Corp…Bakery & Confectione…National Automatic S…Major League Basebal…
Middle River Aerostructure Systems Hourly Pension Plan vs. nearby Defined Benefit (Pension) plans in Maryland, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Middle River Aerostructure Systems Hourly Pension Plan by total assets, not by location.

Frequently Asked Questions

How did Middle River Aerostructure Systems Hourly Pension Plan assets move in 2024?
Middle River Aerostructure Systems Hourly Pension Plan edged down modestly - down 3.9% during 2024, from $118M to $113M. Reported net income was -$5M.
How have Mra Systems, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Mra Systems, LLC's sponsor-wide assets grew 11.0%, from $321M to $357M.
Where does Middle River Aerostructure Systems Hourly Pension Plan rank by assets among Form 5500 filers?
Middle River Aerostructure Systems Hourly Pension Plan ranks in the 91st 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 Middle River Aerostructure Systems Hourly Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Esco Corporation Pension Plan in TX ($113M, 231 participants).

Next read for Middle River Aerostructure Systems Hourl…

Filing takeaways

Ways to act on Middle River Aerostructure Systems Hourly Pension Plan's numbers.