401(k)
2023 plan-year 401(k) DOL Form 5500

THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

MRA SYSTEMS, LLC

This 401(k) plan holds $77M in total assets and serves 312 participants as of 2023. It is sponsored by MRA SYSTEMS, LLC in Maryland. The plan reported positive net income of $10M for the year.

Total Assets (2023)
$77M
Participants
312
State
Industry
Manufacturing

What the Filing Says About THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN

THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN is a 401(k) retirement plan sponsored by MRA SYSTEMS, LLC, headquartered in Maryland. As of the 2023 Form 5500 filing, the plan reports $77M in total end-of-year assets and covers 312 participants across the Manufacturing industry. The sponsor's EIN on file with the U.S. Department of Labor is 522063267, and the plan has been effective since 1998-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $67M at the beginning of 2023 to $77M at year-end — a gain of 14.6%. Net assets (after liabilities) closed the year at $77M, with reported net income of $10M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)$67M
Total Assets (End of Year)$77M
Net Assets (End of Year)$77M
Net Income$10M
Plan Type401(k)
Employer EIN522063267
Plan Effective Date1998-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (MRA SYSTEMS, LLC)

Year Plans Participants Total Assets
2022 4 1,388 $321M
2023 4 1,276 $349M
2024 4 1,372 $357M

Nearby 401(k) Plans in Maryland

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Frequently Asked Questions

How much money is in the THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN?
As of the 2023 Form 5500 filing, THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN holds $77M in total assets with 312 participants. It is sponsored by MRA SYSTEMS, LLC.
What type of plan is THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN?
THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN is a 401(k) plan. It has been effective since 1998-01-01. The plan is filed with the U.S. Department of Labor under EIN 522063267.
Who sponsors the THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN?
THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN is sponsored by MRA SYSTEMS, LLC, located in Maryland. The sponsor's EIN is 522063267 and the plan operates in the Manufacturing industry.
How did THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN perform in 2023?
THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN grew by 14.6% during 2023, moving from $67M to $77M in total assets. Net income was $10M.
Where can I find official filings for THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN?
Official Form 5500 filings for THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 522063267 or plan name at efast.dol.gov.
How does THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN compare to other plans?
You can compare THE MIDDLE RIVER AEROSTRUCTURE SYSTEMS SALARIED SAVINGS PLAN against other 401(k) plans on the plan type page, or view plans in Maryland on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.

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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 522063267.

Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.

Data sourced from official public datasets. See our methodology for details.