401(k) · DOL Form 5500 · 2022

Mission Support and Test Services LLC 401(k) Plan

Data updated 2026-08-11

$427M
Total assets
2,010
Participants
98th
Percentile by assets
$212,633
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

$427M in assets, 2,010 participants

Mission Support and Test Services LLC's Mission Support and Test Services LLC (Msts) Employee 401(k) Plan reported $427M in total assets and 2,010 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)
  • #21,211 in Professional & Technical Services (21,562 peers)

Coverage in Nevada

Mission Support and Test Services LLC (Msts) Employee 401(k) Plan covers 2,010 participants in Nevada, 3.2x the typical Nevada plan (state average ~636 per filing). Assets: $427M.

$427M
total plan assets (2022 EOY)
2,010
covered participants
98th
percentile by assets (of 139,126 plans)
$212,633
avg assets per participant

The plan reported a net loss of $112M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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 2,010 participants - 3.2x that state average ($427M EOY assets).

Nevada filing particulars

Total Assets (Beginning of Year)$539M
Net Assets (End of Year)$427M
Net Income-$112M
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. 01000020000300004000050000 00.511.52 Total assets ($B) Participants Mission Support and …The Mgm Resorts 401(…Caesars Entertainmen…Barrick Retirement P…Sierra Nevada Corpor…Nv Energy 401(k) Plan
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 2022?
Mission Support and Test Services LLC (Msts) Employee 401(k) Plan declined sharply - down 20.7% during 2022, from $539M to $427M. Reported net income was -$112M.
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 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 Mission Support and Test Services LLC (Msts) Employee 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Macmillan Retirement Savings Plan in NY ($427M, 1,910 participants).

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Filing takeaways

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