INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN

Reviewed byPlainRetire Editorial, Retirement Plans Editorial Team · June 6, 2026

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

BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN

This Other plan holds $694M in total assets and serves 2,316 participants as of 2023. It is sponsored by BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN in Connecticut. The plan reported positive net income of $66M for the year.

Total Assets (2023)

$694M

Participants

2,316

State

Connecticut

Industry

Construction

What the Filing Says About INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN

INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN is a Other retirement plan sponsored by BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN, headquartered in Connecticut. As of the 2023 Form 5500 filing, the plan reports $694M in total end-of-year assets and covers 2,316 participants across the Construction industry. The sponsor's EIN on file with the U.S. Department of Labor is 060733831, and the plan has been effective since 1958-09-28. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $630M at the beginning of 2023 to $694M at year-end — a gain of 10.1%. Net assets (after liabilities) closed the year at $690M, with reported net income of $66M 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)	$630M
Total Assets (End of Year)	$694M
Net Assets (End of Year)	$690M
Net Income	$66M
Plan Type	Other
Employer EIN	060733831
Plan Effective Date	1958-09-28
Filing Status	FILING RECEIVED

Sponsor Plan History (BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN)

Year	Plans	Participants	Total Assets
2022	1	2,170	$630M
2023	1	2,316	$694M
2024	1	2,388	$759M

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Frequently Asked Questions

How much money is in the INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN? ▼

As of the 2023 Form 5500 filing, INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN holds $694M in total assets with 2,316 participants. It is sponsored by BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN.

What type of plan is INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN? ▼

INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN is a Other plan. It has been effective since 1958-09-28. The plan is filed with the U.S. Department of Labor under EIN 060733831.

Who sponsors the INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN? ▼

INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN is sponsored by BOARD OF TRUSTEES I.U.O.E. LOCAL 478 PENSION PLAN, located in Connecticut. The sponsor's EIN is 060733831 and the plan operates in the Construction industry.

How did INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN perform in 2023? ▼

INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN grew by 10.1% during 2023, moving from $630M to $694M in total assets. Net income was $66M.

Where can I find official filings for INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN? ▼

Official Form 5500 filings for INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 060733831 or plan name at efast.dol.gov.

How does INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN compare to other plans? ▼

You can compare INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL UNION NO. 478, A-C-D-E PENSION PLAN against other Other plans on the plan type page, or view plans in Connecticut on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.