401(k) · DOL Form 5500 · 2022

Southwest Gas Corporation 401(k) Plan

Data updated 2026-08-11

$465M
Total assets
2,305
Participants
98th
Percentile by assets
$201,706
Avg per participant
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Official DOL plan name: Southwest Gas Corporation Employees' Investment Plan · Sponsored by Southwest Gas Corporation · Nevada · Utilities

$465M in assets, 2,305 participants

Southwest Gas Corporation's Southwest Gas Corporation Employees' Investment Plan reported $465M in total assets and 2,305 participants in its 2022 DOL Form 5500 filing, ranking in the 98th 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.

  • 98th percentile by assets (of 139,126 plans)
  • #612 in Utilities (738 peers)

Coverage in Nevada

Southwest Gas Corporation Employees' Investment Plan covers 2,305 participants in Nevada, 3.6x the typical Nevada plan (state average ~636 per filing). Assets: $465M.

$465M
total plan assets (2022 EOY)
2,305
covered participants
98th
percentile by assets (of 139,126 plans)
$201,706
avg assets per participant

The plan reported a net loss of $126M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry

Participants vs Nevada filers

In Nevada, the average filing covers about 636 participants across 808 plans. Southwest Gas Corporation Employees' Investment Plan reports 2,305 participants - 3.6x that state average ($465M EOY assets).

Nevada filing particulars

Total Assets (Beginning of Year)$591M
Net Assets (End of Year)$465M
Net Income-$126M
Employer EIN880085720
Plan Effective Date1965-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Southwest Gas Corporation)

$1.5B$1.6B$1.7B$1.8B 202220232024 $1.61B $1.78B â–˛ +10.6%
Total plan assets by year, all Southwest Gas Corporation plans on file
Year Plans Participants Total Assets
2022 2 4,473 $1.6B
2023 2 4,386 $1.7B
2024 2 4,255 $1.8B

Nearby 401(k) Plans in Nevada

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

Southwest Gas Corporation Employees' Investment Plan vs. nearby 401(k) plans in Nevada, assets vs. participants

Southwest Gas Corporation Employees' Investment Plan vs. nearby 401(k) plans in Nevada, assets vs. participants Scatter plot of 6 data points. 01000020000300004000050000 00.511.52 Total assets ($B) Participants Southwest Gas Corpor…The Mgm Resorts 401(…Caesars Entertainmen…Barrick Retirement P…Sierra Nevada Corpor…Nv Energy 401(k) Plan
Southwest Gas Corporation Employees' Investment Plan vs. nearby 401(k) plans in Nevada, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Southwest Gas Corporation Employees' Investment Plan by total assets, not by location.

Frequently Asked Questions

How did Southwest Gas Corporation Employees' Investment Plan assets move in 2022?
Southwest Gas Corporation Employees' Investment Plan declined sharply - down 21.3% during 2022, from $591M to $465M. Reported net income was -$126M.
How have Southwest Gas Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), Southwest Gas Corporation's sponsor-wide assets grew 9.9%, from $1.6B to $1.8B.
Where does Southwest Gas Corporation Employees' Investment Plan rank by assets among Form 5500 filers?
Southwest Gas Corporation Employees' Investment Plan ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Southwest Gas Corporation Employees' Investment Plan?
Among 401(k) plans in other states, the closest by assets is Nationstar Mortgage 401(k) Retirement Plan in TX ($465M, 6,789 participants).

Next read for Southwest Gas Corporation Employees' Inv…

Filing takeaways

Ways to act on Southwest Gas Corporation Employees' Investment Plan's numbers.