401(k) · DOL Form 5500 · 2023

Mission Support and Test Services LLC 401(k) Plan

Data updated 2026-08-11

$530M
Total assets
2,104
Participants
98th
Percentile by assets
$251,987
Avg per participant
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Official DOL plan name: Mission Support and Test Services LLC (Msts) Employee 401(k) Plan · Sponsored by Mission Support and Test Services LLC · Nevada · Professional & Technical Services

$530M in assets, 2,104 participants

Mission Support and Test Services LLC's Mission Support and Test Services LLC (Msts) Employee 401(k) Plan reported $530M in total assets and 2,104 participants in its 2023 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 127,072 plans)
  • #19,977 in Professional & Technical Services (20,321 peers)

Coverage in Nevada

Mission Support and Test Services LLC (Msts) Employee 401(k) Plan covers 2,104 participants in Nevada, 3.3x the typical Nevada plan (state average ~636 per filing). Assets: $530M.

$530M
total plan assets (2023 EOY)
2,104
covered participants
98th
percentile by assets (of 127,072 plans)
$251,987
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mission Support and Test Services LLC (Msts) Employee 401(k) Plan reported net income rose from -$112M in the plan year 2022 filing to $103M in the plan year 2023 filing.
  • Mission Support and Test Services LLC (Msts) Employee 401(k) Plan end-of-year assets rose from $427M in the plan year 2022 filing to $530M in the plan year 2023 filing.
  • Mission Support and Test Services LLC (Msts) Employee 401(k) Plan reported participants rose from 2,010 in the plan year 2022 filing to 2,104 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Participants vs Nevada filers

In Nevada, the average filing covers about 636 participants across 808 plans. Mission Support and Test Services LLC (Msts) Employee 401(k) Plan reports 2,104 participants - 3.3x that state average ($530M EOY assets).

Nevada filing particulars

Total Assets (Beginning of Year)$427M
Net Assets (End of Year)$530M
Net Income$103M
Employer EIN810705502
Plan Effective Date1972-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mission Support and Test Services LLC)

$0.9B$1B$1.1B$1.2B$1.3B 202220232024 $0.97B $1.2B ▲ +23.7%
Total plan assets by year, all Mission Support and Test Services LLC plans on file
Year Plans Participants Total Assets
2022 3 4,560 $974M
2023 4 4,838 $1.2B
2024 3 5,756 $1.2B

Nearby 401(k) Plans in Nevada

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

Mission Support and Test Services LLC (Msts) Employee 401(k) Plan vs. nearby 401(k) plans in Nevada, assets vs. participants

Mission Support and Test Services LLC (Msts) Employee 401(k) Plan vs. nearby 401(k) plans in Nevada, assets vs. participants Scatter plot of 6 data points. 010000200003000040000 00.511.522.5 Total assets ($B) Participants Mission Support and …The Mgm Resorts 401(…Caesars Entertainmen…Barrick Retirement P…Nv Energy 401(k) PlanEighth District Elec…
Mission Support and Test Services LLC (Msts) Employee 401(k) 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 Mission Support and Test Services LLC (Msts) Employee 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Mission Support and Test Services LLC (Msts) Employee 401(k) Plan assets move in 2023?
Mission Support and Test Services LLC (Msts) Employee 401(k) Plan grew sharply - up 24.1% during 2023, from $427M to $530M. Reported net income was $103M.
How have Mission Support and Test Services LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Mission Support and Test Services LLC's sponsor-wide assets grew 23.0%, from $974M to $1.2B.
Where does Mission Support and Test Services LLC (Msts) Employee 401(k) Plan rank by assets among Form 5500 filers?
Mission Support and Test Services LLC (Msts) Employee 401(k) Plan ranks in the 98th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Mission Support and Test Services LLC (Msts) Employee 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Coca-Cola Bottling Company United, Inc. 401(k) Plan in AL ($530M, 9,248 participants).

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Filing takeaways

Ways to act on Mission Support and Test Services LLC (Msts) Employee 401(k) Plan's numbers.