401(k) · DOL Form 5500 · 2024

Salado Isolation Mining Contractors, LLC 401(k) Plan

Data updated 2026-08-25

$151M
Total assets Near avg plan size
1,077
Participants Near avg headcount
93rd
Percentile by assets National rank
$139,849
Avg per participant Near avg balance/head
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Official DOL plan name: Waste Isolation Pilot Plant Savings Plan · Sponsored by Salado Isolation Mining Contractors, LLC · New Mexico · Administrative & Support Services

$151M in assets, 1,077 participants

Salado Isolation Mining Contractors, LLC's Waste Isolation Pilot Plant Savings Plan reported $151M in total assets and 1,077 participants in its 2024 DOL Form 5500 filing, ranking in the 93rd 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.

  • #4,210 in Administrative & Support Services (4,368 peers)

Coverage in New Mexico

Waste Isolation Pilot Plant Savings Plan covers 1,077 participants in New Mexico, 3.0x the typical New Mexico plan (state average ~365 per filing). Assets: $151M.

#4,210
in Administrative & Support Services (4,368 peers)
+9.1%
assets growth YoY
1.5×
vs typical plan assets (national mean)

Waste Isolation Pilot Plant Savings Plan's outsized position by total assets

Waste Isolation Pilot Plant Savings Plan vs every filed plan by assets

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

$150,617,624 Top 7% higher than 93% 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

Waste Isolation Pilot Plant Savings 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. Waste Isolation Pilot Plant Savings Plan lands in the large band (1,077 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Waste Isolation Pilot Plant Savings Plan reported net income fell from $19M in the plan year 2023 filing to $13M in the plan year 2024 filing.
  • Waste Isolation Pilot Plant Savings Plan end-of-year assets rose from $138M in the plan year 2023 filing to $151M in the plan year 2024 filing.
  • Waste Isolation Pilot Plant Savings Plan reported participants rose from 991 in the plan year 2023 filing to 1,077 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 824745477 · Salado Isolation Mining Contractors, LLC PY 2024 · 401(k)

Waste Isolation Pilot Plant Savings Plan · $151M · 1,077 · 93rd

  • IND $151M
  • EOY 1,077
  • 5500 93rd
  • ASSETS 401(k)
  • PCT near Jeffer Mangels Butler & Mitchell LLP Profit Sharing and 401(k) Plan
  • EIN ind #4210

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 Administrative & Support Services retirement plans → · Plans in New Mexico →

Waste Isolation Pilot Plant Savings Plan in the asset neighbourhood

Spirax Sarco, Inc. 401(k) PlanSpirax Sarco, Inc. 401(k) Pl…$151MVoluntary Investment Pretax Plan for the Volvo Group North America Union EmployeesVoluntary Investment Pretax …$151MWaste Isolation Pilot Plant Savings PlanWaste Isolation Pilot Plant …$151MJeffer Mangels Butler & Mitchell LLP Profit Sharing and 401(k) PlanJeffer Mangels Butler & Mitc…$151MSerra Automotive 401(k) Plan & TrustSerra Automotive 401(k) Plan…$151M
End-of-year total assets ($M) among Waste Isolation Pilot Plant Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

New Mexico filing particulars

Total Assets (Beginning of Year)$138M
Net Assets (End of Year)$151M
Net Income$13M
Employer EIN824745477
Plan Effective Date1999-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Salado Isolation Mining Contractors, LLC)

Sponsor-wide plan assets over time

All Salado Isolation Mining Contractors, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$384M 6.025210648138655% vs 2023
2024 filing year
$350M$360M$370M$380M$390M 20232024 $362M $384M ▲ +6.0%
Year Plans Participants Total Assets
2023 2 1,944 $362M
2024 2 2,118 $384M

Nearby 401(k) Plans in New Mexico

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

Waste Isolation Pilot Plant Savings Plan vs. nearby 401(k) plans in New Mexico, assets vs. participants Scatter plot of 6 data points. 05000100001500020000 -202468 Total assets ($B) Participants Waste Isolation Pilot Plant Savings Plan, Total assets ($B): 0.150617624 · Participants: 1077Waste Isolation Pilot Plant Savings PlanNtess Savings and Income Plan, Total assets ($B): 7.248575896 · Participants: 15926Ntess Savings and Income PlanTriad 401(k) Retirement Plan, Total assets ($B): 2.492057254 · Participants: 11744Triad 401(k) Retirement PlanTriad 401(k) Savings Plan, Total assets ($B): 0.899933857 · Participants: 2058Triad 401(k) Savings PlanTxnm Energy, Inc. Retirement Savings Plan, Total assets ($B): 0.826572097 · Participants: 1631Txnm Energy, Inc. Retirement Savings PlanApplied Research Associates, Inc. 401(k) Profit Sharing Plan & Trust, Total assets ($B): 0.647938985 · Participants: 2218Applied Research Associates, Inc. 401(k) Profit Sharing Plan & Trust
Waste Isolation Pilot Plant Savings Plan vs. nearby 401(k) plans in New Mexico, assets vs. participants

Waste Isolation Pilot Plant Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside New Mexico, the nearest 401(k) by assets is Jeffer Mangels Butler & Mitchell LLP Profit Sharing and 401(k) Plan in CA ($151M); by covered participants it is Symrise Inc. Employee Savings Plan in NJ (1,077 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,077 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 Waste Isolation Pilot Plant Savings Plan assets move in 2024?
Waste Isolation Pilot Plant Savings Plan grew at a solid clip - up 9.1% during 2024, from $138M to $151M. Reported net income was $13M.
How have Salado Isolation Mining Contractors, LLC plan assets changed over time?
Across 2 plan years on file (2023-2024), Salado Isolation Mining Contractors, LLC's sponsor-wide assets grew 6.0%, from $362M to $384M.
Where does Waste Isolation Pilot Plant Savings Plan rank by assets among Form 5500 filers?
Waste Isolation Pilot Plant Savings Plan ranks in the 93rd 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 Waste Isolation Pilot Plant Savings Plan?
Among 401(k) plans in other states, the closest by assets is Jeffer Mangels Butler & Mitchell LLP Profit Sharing and 401(k) Plan in CA ($151M, 177 participants).
Which 401(k) plans cover a similar participant headcount to Waste Isolation Pilot Plant Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is Symrise Inc. Employee Savings Plan in NJ (1,077 participants, $328M in assets).