Defined Benefit (Pension) · DOL Form 5500 · 2023

Trustees of Pipe Fitters Retirement Fund Local 597 Pension Plan

Data updated 2026-08-25

$2.7B
Total assets Very large vs avg
6,266
Participants Above avg headcount
99th
Percentile by assets National rank
$434,546
Avg per participant High balance/head
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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.

  • #8,994 in Construction (9,030 peers)

Coverage in Illinois

Pipe Fitters Retirement Fund, Local 597 covers 6,266 participants in Illinois, 8.0x the typical Illinois plan (state average ~779 per filing). Assets: $2.7B.

#8,994
in Construction (9,030 peers)
+9.8%
assets growth YoY
27×
vs typical plan assets (national mean)

Pipe Fitters Retirement Fund, Local 597's outsized position by total assets

Pipe Fitters Retirement Fund, Local 597 vs every filed plan by assets

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

$2,722,867,839 Top 1% higher than 99% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

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

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

Pipe Fitters Retirement Fund, Local 597's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Pipe Fitters Retirement Fund, Local 597 lands in the large band (6,266 participants).

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 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 626105084 · Trustees of Pipe Fitters Retirement Fund Local 597 PY 2023 · Defined Benefit (Pension)

Pipe Fitters Retirement Fund, Local 597 · $2.7B · 6,266 · 99th

  • RANK $2.7B
  • PHOTO 6,266
  • IND 99th
  • EOY Defined Benefit (Pension)
  • 5500 near American Airlines, Inc. Pilot Retirement Benefit Program
  • ASSETS ind #8994

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 Illinois →

Pipe Fitters Retirement Fund, Local 597 in the asset neighbourhood

Northwell Health Pension Plan$2.7BValero Energy Corporation Pension PlanValero Energy Corporation Pe…$2.7BAmerican Airlines, Inc. Pilot Retirement Benefit ProgramAmerican Airlines, Inc. Pilo…$2.7BPipe Fitters Retirement Fund, Local 597Pipe Fitters Retirement Fund…$2.7BPace Industry Union-Management Pension FundPace Industry Union-Manageme…$2.7B
End-of-year total assets ($B) among Pipe Fitters Retirement Fund, Local 597 and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

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)

Sponsor-wide plan assets over time

All Trustees of Pipe Fitters Retirement Fund Local 597 plans reported in each filing year

Latest sponsor-wide plan assets
$3.0B 20.844725623858164% vs 2022
2024 filing year
$2.4B$2.6B$2.8B$3B$3.2B 202220232024 $2.48B $3B ▲ +21.0%
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 Scatter plot of 6 data points. 0100002000030000400005000060000 0204060 Total assets ($B) Participants Pipe Fitters Retirement Fund, Local 597, Total assets ($B): 2.722867839 · Participants: 6266Pipe Fitters Retirement Fund, Local 597Central States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 49.680270595 · Participants: 48538Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 35.242945747 · Participants: 45001State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.965094339 · Participants: 20680United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.960744597 · Participants: 16346John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 7.819798504 · Participants: 17382Abbott Laboratories Annuity Retirement Plan
Pipe Fitters Retirement Fund, Local 597 vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
Compare Pipe Fitters Retirement Fund, Local 597 side-by-side with 3 peers →

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 (0.022% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.007% of 93,925,755 covered participants) - about $434,546 per participant (3.1x 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:

Pipe Fitters Retirement Fund, Local 597's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is American Airlines, Inc. Pilot Retirement Benefit Program in TX ($2.7B); by covered participants it is U.S. Bank Mufg Pension Plan in MN (6,216 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($2.7B here).

Similar participant headcount

Nearest other-state filings by covered participants (6,266 participants); asset peers above are excluded.

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 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 127,072 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).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Pipe Fitters Retirement Fund, Local 597? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is U.S. Bank Mufg Pension Plan in MN (6,216 participants, N/A 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 626105084.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.