Defined Benefit (Pension) · DOL Form 5500 · 2023

Trustees of Pipe Fitters Retirement Fund Local 597 Pension Plan

Data updated 2026-08-06

$2.7B
Total assets
6,266
Participants
99th
Percentile by assets
$434,546
Avg per participant
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Official DOL plan name: Pipe Fitters Retirement Fund, Local 597 · Sponsored by Trustees of Pipe Fitters Retirement Fund Local 597 · Illinois · Construction

$2.7B in assets, 6,266 participants

Trustees of Pipe Fitters Retirement Fund Local 597's Pipe Fitters Retirement Fund, Local 597 reported $2.7B in total assets and 6,266 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 126,618 plans)
  • #8,957 in Construction (8,993 peers)

Coverage in Illinois

Pipe Fitters Retirement Fund, Local 597 covers 6,266 participants in Illinois, 8.2x the typical Illinois plan (state average ~768 per filing). Assets: $2.7B.

$2.7B
total plan assets (2023 EOY)
6,266
covered participants
99th
percentile by assets (of 126,618 plans)
$434,546
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Pipe Fitters Retirement Fund, Local 597 reported net income rose from -$478M in the plan year 2022 filing to $244M in the plan year 2023 filing.
  • Pipe Fitters Retirement Fund, Local 597 end-of-year assets rose from $2.5B in the plan year 2022 filing to $2.7B in the plan year 2023 filing.
  • Pipe Fitters Retirement Fund, Local 597 reported participants rose from 6,121 in the plan year 2022 filing to 6,266 in the plan year 2023 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Illinois filers

In Illinois, the average filing covers about 768 participants across 5,440 plans. Pipe Fitters Retirement Fund, Local 597 reports 6,266 participants - 8.2x that state average ($2.7B EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$2.5B
Net Assets (End of Year)$2.7B
Net Income$244M
Employer EIN626105084
Plan Effective Date1955-01-05
Filing StatusFILING RECEIVED

Sponsor Plan History (Trustees of Pipe Fitters Retirement Fund Local 597)

$2.4B$2.6B$2.8B$3B$3.2B 202220232024 $2.48B $3B ▲ +21.0%
Total plan assets by year, all Trustees of Pipe Fitters Retirement Fund Local 597 plans on file
Year Plans Participants Total Assets
2022 1 6,121 $2.5B
2023 1 6,266 $2.7B
2024 1 6,435 $3.0B

Nearby Defined Benefit (Pension) Plans in Illinois

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

Pipe Fitters Retirement Fund, Local 597 vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants

Pipe Fitters Retirement Fund, Local 597 vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 0100002000030000400005000060000 0204060 Total assets ($B) Participants Pipe Fitters Retirem…Central States, Sout…State Farm Insurance…United Food & Commer…John Deere Pension P…Abbott Laboratories …
Pipe Fitters Retirement Fund, Local 597 vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants

Scale composition for Pipe Fitters Retirement Fund, Local 597

Pipe Fitters Retirement Fund, Local 597 reports $2.7B in end-of-year assets across 6,266 participants (0.023% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.007% of 89,805,449 covered participants) - about $434,546 per participant (3.2x the national average assets-per-participant) . Net income for plan year 2023 was $244M.

This plan identity (EIN 626105084, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.5B to $3.0B (+20.8%) while covered participants moved from 6,121 to 6,435 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 6,121 $2.5B Open filing
2023 6,266 $2.7B This page
2024 · index core 6,435 $3.0B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Pipe Fitters Retirement Fund, Local 597 by total assets, not by location.

Frequently Asked Questions

How did Pipe Fitters Retirement Fund, Local 597 assets move in 2023?
Pipe Fitters Retirement Fund, Local 597 grew at a solid clip - up 9.8% during 2023, from $2.5B to $2.7B. Reported net income was $244M.
How have Trustees of Pipe Fitters Retirement Fund Local 597 plan assets changed over time?
Across 3 plan years on file (2022-2024), Trustees of Pipe Fitters Retirement Fund Local 597's sponsor-wide assets grew 20.8%, from $2.5B to $3.0B.
Where does Pipe Fitters Retirement Fund, Local 597 rank by assets among Form 5500 filers?
Pipe Fitters Retirement Fund, Local 597 ranks in the 99th percentile by end-of-year assets among 126,618 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Pipe Fitters Retirement Fund, Local 597?
Among Defined Benefit (Pension) plans in other states, the closest by assets is American Airlines, Inc. Pilot Retirement Benefit Program in TX ($2.7B, 5,430 participants).

Next read for Pipe Fitters Retirement Fund, Local 597

Filing takeaways

Ways to act on Pipe Fitters Retirement Fund, Local 597's numbers.

  • By total assets, Pipe Fitters Retirement Fund, Local 597 ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Illinois. Compare plans
  • Trustees of Pipe Fitters Retirement Fund Local 597's sponsor-wide assets have grown 20.8% since 2022 across 3 plan years on file. More Construction plans