401(k) · DOL Form 5500 · 2022

Trustees of Pipe Fitters Association Local 597 401(k) Plan

Data updated 2026-08-11

$1.8B
Total assets
9,124
Participants
99th
Percentile by assets
$197,493
Avg per participant
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Official DOL plan name: Pipe Fitters Association L.U. 597, U.a. 401(k) Pla · Sponsored by Trustees of Pipe Fitters Association Local 597 · Illinois · Construction

$1.8B in assets, 9,124 participants

Trustees of Pipe Fitters Association Local 597's Pipe Fitters Association L.U. 597, U.a. 401(k) Pla reported $1.8B in total assets and 9,124 participants in its 2022 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 139,126 plans)
  • #9,876 in Construction (9,927 peers)

Coverage in Illinois

Pipe Fitters Association L.U. 597, U.a. 401(k) Pla covers 9,124 participants in Illinois, 12x the typical Illinois plan (state average ~779 per filing). Assets: $1.8B.

$1.8B
total plan assets (2022 EOY)
9,124
covered participants
99th
percentile by assets (of 139,126 plans)
$197,493
avg assets per participant

The plan reported a net loss of $192M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry

Participants vs Illinois filers

In Illinois, the average filing covers about 779 participants across 5,745 plans. Pipe Fitters Association L.U. 597, U.a. 401(k) Pla reports 9,124 participants - 12x that state average ($1.8B EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$2.0B
Net Assets (End of Year)$1.8B
Net Income-$192M
Employer EIN361820310
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Trustees of Pipe Fitters Association Local 597)

$1.5B$2B$2.5B$3B 202220232024 $1.8B $2.49B ▲ +38.3%
Total plan assets by year, all Trustees of Pipe Fitters Association Local 597 plans on file
Year Plans Participants Total Assets
2022 1 9,124 $1.8B
2023 1 9,128 $2.2B
2024 1 9,298 $2.5B

Nearby 401(k) Plans in Illinois

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Pipe Fitters Association L.U. 597, U.a. 401(k) Pla vs. nearby 401(k) plans in Illinois, assets vs. participants

Pipe Fitters Association L.U. 597, U.a. 401(k) Pla vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 05101520 Total assets ($B) Participants Pipe Fitters Associa…State Farm 401(k) Sa…Accenture United Sta…Abbott Laboratories …United Airlines Pilo…Walgreens Retirement…
Pipe Fitters Association L.U. 597, U.a. 401(k) Pla vs. nearby 401(k) plans in Illinois, assets vs. participants

Scale composition for Pipe Fitters Association L.U. 597, U.a. 401(k) Pla

Pipe Fitters Association L.U. 597, U.a. 401(k) Pla reports $1.8B in end-of-year assets across 9,124 participants (0.015% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.010% of 93,925,755 covered participants) - about $197,493 per participant (1.4x the national average assets-per-participant) . Net income for plan year 2022 was -$192M.

This plan identity (EIN 361820310, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.8B to $2.5B (+38.2%) while covered participants moved from 9,124 to 9,298 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 9,124 $1.8B This page
2023 9,128 $2.2B Open filing
2024 · index core 9,298 $2.5B Open filing

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

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Pipe Fitters Association L.U. 597, U.a. 401(k) Pla by total assets, not by location.

Frequently Asked Questions

How did Pipe Fitters Association L.U. 597, U.a. 401(k) Pla assets move in 2022?
Pipe Fitters Association L.U. 597, U.a. 401(k) Pla pulled back noticeably - down 9.6% during 2022, from $2.0B to $1.8B. Reported net income was -$192M.
How have Trustees of Pipe Fitters Association Local 597 plan assets changed over time?
Across 3 plan years on file (2022-2024), Trustees of Pipe Fitters Association Local 597's sponsor-wide assets grew 38.2%, from $1.8B to $2.5B.
Where does Pipe Fitters Association L.U. 597, U.a. 401(k) Pla rank by assets among Form 5500 filers?
Pipe Fitters Association L.U. 597, U.a. 401(k) Pla ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Pipe Fitters Association L.U. 597, U.a. 401(k) Pla?
Among 401(k) plans in other states, the closest by assets is Republic Services, Inc. 401(k) Plan in AZ ($1.8B, 28,320 participants).

Next read for Pipe Fitters Association L.U. 597, U.a. …

Filing takeaways

Ways to act on Pipe Fitters Association L.U. 597, U.a. 401(k) Pla's numbers.

  • By total assets, Pipe Fitters Association L.U. 597, U.a. 401(k) Pla ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Illinois. Compare plans
  • Trustees of Pipe Fitters Association Local 597's sponsor-wide assets have grown 38.2% since 2022 across 3 plan years on file. More Construction plans