401(k) · DOL Form 5500 · 2024

Interstate Gas Supply, LLC 401(k) Plan

Data updated 2026-08-25

$129M
Total assets Near avg plan size
1,469
Participants Near avg headcount
92nd
Percentile by assets National rank
$87,668
Avg per participant Below avg balance/head
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Official DOL plan name: Igs Energy 401(k) Plan · Sponsored by Interstate Gas Supply, LLC · Ohio · Utilities

$129M in assets, 1,469 participants

Interstate Gas Supply, LLC's Igs Energy 401(k) Plan reported $129M in total assets and 1,469 participants in its 2024 DOL Form 5500 filing, ranking in the 92nd 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.

  • #472 in Utilities (732 peers)

Utilities sector rank

Within Utilities, Igs Energy 401(k) Plan ranks #472 of 732 2024 filers by assets (417% of the sector average)-$129M for 1,469 participants.

#472
in Utilities (732 peers)
+22.8%
assets growth YoY
1.3×
vs typical plan assets (national mean)

Igs Energy 401(k) Plan's outsized position by total assets

Igs Energy 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$128,784,536 Top 8% higher than 92% of 123,620 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 2024

Igs Energy 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Igs Energy 401(k) Plan lands in the large band (1,469 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Igs Energy 401(k) Plan end-of-year assets rose from $105M in the plan year 2023 filing to $129M in the plan year 2024 filing.
  • Igs Energy 401(k) Plan reported participants rose from 1,229 in the plan year 2023 filing to 1,469 in the plan year 2024 filing.
  • Igs Energy 401(k) Plan reported net income fell from $24M in the plan year 2023 filing to $24M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 311286758 · Interstate Gas Supply, LLC PY 2024 · 401(k)

Igs Energy 401(k) Plan · $129M · 1,469 · 92nd

  • 5500 $129M
  • ASSETS 1,469
  • PCT 92nd
  • EIN 401(k)
  • RANK near Zenith American Solutions, Inc. Retirement Savings 401(k) Plan
  • PHOTO ind #472

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 Utilities retirement plans → · Plans in Ohio →

Igs Energy 401(k) Plan in the asset neighbourhood

Thrift Plan of Rhi Magnesita$129MIgs Energy 401(k) Plan$129MZenith American Solutions, Inc. Retirement Savings 401(k) PlanZenith American Solutions, I…$129MImmucor, Inc. 401(k) Savings PlanImmucor, Inc. 401(k) Savings…$129MA. Duda & Sons, Inc. Retirement and Savings PlanA. Duda & Sons, Inc. Retirem…$129M
End-of-year total assets ($M) among Igs Energy 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Utilities filing particulars

Total Assets (Beginning of Year)$105M
Net Assets (End of Year)$129M
Net Income$24M
Employer EIN311286758
Plan Effective Date2000-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Interstate Gas Supply, LLC)

Sponsor-wide plan assets over time

All Interstate Gas Supply, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$129M 60.228022896646436% vs 2022
2024 filing year
$60M$80M$100M$120M$140M 202220232024 $80.4M $129M ▲ +60.2%
Year Plans Participants Total Assets
2022 1 1,066 $80M
2023 1 1,229 $105M
2024 1 1,469 $129M

Nearby 401(k) Plans in Ohio

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

Igs Energy 401(k) Plan vs. nearby 401(k) plans in Ohio, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -505101520 Total assets ($B) Participants Igs Energy 401(k) Plan, Total assets ($B): 0.128784536 · Participants: 1469Igs Energy 401(k) PlanGE Aerospace Retirement Savings Plan, Total assets ($B): 14.738724553 · Participants: 45620GE Aerospace Retirement Savings PlanThe Kroger Co. 401(k) Retirement Savings Account Plan, Total assets ($B): 11.809161 · Participants: 135373The Kroger Co. 401(k) Retirement Savings Account PlanThe Progressive 401(k) Plan, Total assets ($B): 11.533546294 · Participants: 62521The Progressive 401(k) PlanThe Sherwin-Williams Company 401(k) Plan, Total assets ($B): 10.563559628 · Participants: 47459The Sherwin-Williams Company 401(k) PlanParker Retirement Savings Plan, Total assets ($B): 9.010073432 · Participants: 26315Parker Retirement Savings Plan
Igs Energy 401(k) Plan vs. nearby 401(k) plans in Ohio, assets vs. participants
Compare Igs Energy 401(k) Plan side-by-side with 3 peers →

Igs Energy 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Ohio, the nearest 401(k) by assets is Zenith American Solutions, Inc. Retirement Savings 401(k) Plan in FL ($129M); by covered participants it is Mvrk I, LLC 401(k) Plan in NJ (1,469 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($129M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,469 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Igs Energy 401(k) Plan assets move in 2024? ▼
Igs Energy 401(k) Plan grew sharply - up 22.8% during 2024, from $105M to $129M. Reported net income was $24M.
How have Interstate Gas Supply, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Interstate Gas Supply, LLC's sponsor-wide assets grew 60.2%, from $80M to $129M.
Where does Igs Energy 401(k) Plan rank by assets among Form 5500 filers? ▼
Igs Energy 401(k) Plan ranks in the 92nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Igs Energy 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Zenith American Solutions, Inc. Retirement Savings 401(k) Plan in FL ($129M, 1,371 participants).
Which 401(k) plans cover a similar participant headcount to Igs Energy 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Mvrk I, LLC 401(k) Plan in NJ (1,469 participants, $648K in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 311286758.

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.