Defined Benefit (Pension) · DOL Form 5500 · 2023

Plumbers and Steamfitters Local 166 Pension Plan

Data updated 2026-08-25

$86M
Total assets Below avg plan size: 604
Participants Below avg headcount: 90th
Percentile by assets National rank: $142,913
Avg per participant Near avg balance/head

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Official DOL plan name: Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan · Sponsored by Plumbers and Steamfitters Local 166 · Indiana · Construction

$86M in assets, 604 participants

Plumbers and Steamfitters Local 166's Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan reported $86M in total assets and 604 participants in its 2023 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.

#7,986 in Construction (9,030 peers)

Where Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan sits by assets

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan sits in the top 10% of all filed plans by assets, $86M for 604 participants (~$142,913/participant), up 13.5% in 2023.

#7,986
in Construction (9,030 peers): +13.5%
assets growth YoY: 0.9×
vs typical plan assets (national mean)

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan's outsized position by total assets

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan vs every filed plan by assets

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

$86,319,257 Top 10% higher than 90% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan 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. Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan sits mid-pack in the medium band (604 participants).

Micro (1-10) 35,718 filings (27%) Small (11-100) 27,089 filings (21%) Medium (101-1,000) 55,445 filings (43%) Large (1,001-10,000) 10,273 filings (8%) Mega (10,000+) 1,374 filings (1%)

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan reported net income rose from $321K in the plan year 2022 filing to $10M in the plan year 2023 filing.
Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan end-of-year assets rose from $76M in the plan year 2022 filing to $86M in the plan year 2023 filing.
Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan reported participants rose from 563 in the plan year 2022 filing to 604 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 516132690 · Plumbers and Steamfitters Local 166 PY 2023 · Defined Benefit (Pension)

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan · $86M · 604 · 90th

ASSETS $86M
ASSETS 604
ASSETS 90th
ASSETS Defined Benefit (Pension)
ASSETS near Columbian Mutual Life Insurance Company Pension Plan
ASSETS ind #7986

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 Construction retirement plans → · Plans in Indiana →

End-of-year total assets ($M) among Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)	$76M
Net Assets (End of Year)	$86M
Net Income	$10M
Employer EIN	516132690
Plan Effective Date	1961-06-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Plumbers and Steamfitters Local 166)

Latest sponsor-wide plan assets: $95M 25.02394980937327% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	563	$76M
2023	1	604	$86M
2024	1	641	$95M

Nearby Defined Benefit (Pension) Plans in Indiana

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

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan vs. nearby Defined Benefit (Pension) plans in Indiana, assets vs. participants

The Lilly Retirement Plan $11.7B · 19,111
Cummins Pension Plan $3.3B · 26,560
Indiana Laborers Pension Fund $1.7B · 10,800
Elevance Health Cash Balance Plan a $1.3B · 8,197
Nisource Pension Plan $1.1B · 2,174

Compare Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan side-by-side with 3 peers →

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Indiana, the nearest Defined Benefit (Pension) by assets is Columbian Mutual Life Insurance Company Pension Plan in NY ($86M); by covered participants it is The Goodyear Tire & Rubber Company Retail Pension Plan in OH (604 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($86M here).

Columbian Mutual Life Insurance Company Pension Plan (NY) $86M · 102
Swisher International, Inc. Retirement Income Plan for Wage Employees (CT) $86M · 151
Temple University Health System, Inc. Consolidated Pension Plan (PA) $86M · 400
Idaho Central Credit Union Cash Balance Defined Benefit Plan and Trust (ID) $86M · 1,524

Similar participant headcount

Nearest other-state filings by covered participants (604 participants); asset peers above are excluded.

The Goodyear Tire & Rubber Company Retail Pension Plan (OH) 604 · 0 off
Billerud Americas Corporation Employee Pension Plan (OH) 605 · 1 off
Northern Nevada Plumbers & Pipefitters Variable Defined Benefit Plan (NV) 605 · 1 off
Pension Plan of Danville Metal Stamping Co., Inc (IL) 605 · 1 off

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 Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan assets move in 2023? ▼

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan grew at a solid clip - up 13.5% during 2023, from $76M to $86M. Reported net income was $10M.

How have Plumbers and Steamfitters Local 166 plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Plumbers and Steamfitters Local 166's sponsor-wide assets grew 25.0%, from $76M to $95M.

Where does Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan rank by assets among Form 5500 filers? ▼

Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan ranks in the 90th 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 Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan? ▼

Among Defined Benefit (Pension) plans in other states, the closest by assets is Columbian Mutual Life Insurance Company Pension Plan in NY ($86M, 102 participants).

Which Defined Benefit (Pension) plans cover a similar participant headcount to Plumbers & Steamfitters Local 166 AFL-CIO Pension Plan? ▼

Among Defined Benefit (Pension) plans in other states, the closest by covered participants is The Goodyear Tire & Rubber Company Retail Pension Plan in OH (604 participants, $203M 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 516132690.