401(k) · DOL Form 5500 · 2023

M1 Support Services, L.P. 401(k) Plan

Data updated 2026-08-25

$129M
Total assets Near avg plan size
2,492
Participants Above avg headcount
93rd
Percentile by assets National rank
$51,621
Avg per participant Low balance/head
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Official DOL plan name: M1 Support Services, L.P. 401(k) Plan · Sponsored by M1 Support Services, L.P. · Texas · Transportation & Warehousing

$129M in assets, 2,492 participants

M1 Support Services, L.P.'s M1 Support Services, L.P. 401(k) Plan reported $129M in total assets and 2,492 participants in its 2023 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.

  • #3,058 in Transportation & Warehousing (3,362 peers)

Coverage in Texas

M1 Support Services, L.P. 401(k) Plan covers 2,492 participants in Texas, 3.6x the typical Texas plan (state average ~688 per filing). Assets: $129M.

#3,058
in Transportation & Warehousing (3,362 peers)
+39.0%
assets growth YoY
1.3×
vs typical plan assets (national mean)

M1 Support Services, L.P. 401(k) Plan's outsized position by total assets

M1 Support Services, L.P. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$128,638,548 Top 7% higher than 93% of 127,068 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 2023

M1 Support Services, L.P. 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. M1 Support Services, L.P. 401(k) Plan lands in the large band (2,492 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • M1 Support Services, L.P. 401(k) Plan reported net income rose from -$13M in the plan year 2022 filing to $36M in the plan year 2023 filing.
  • M1 Support Services, L.P. 401(k) Plan end-of-year assets rose from $93M in the plan year 2022 filing to $129M in the plan year 2023 filing.
  • M1 Support Services, L.P. 401(k) Plan reported participants fell from 2,864 in the plan year 2022 filing to 2,492 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 200288988 · M1 Support Services, L.P. PY 2023 · 401(k)

M1 Support Services, L.P. 401(k) Plan · $129M · 2,492 · 93rd

  • BOOK $129M
  • BOOK 2,492
  • BOOK 93rd
  • BOOK 401(k)
  • BOOK near Canfor Southern Pine, Inc. 401(k) Plan
  • BOOK ind #3058

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 Transportation & Warehousing retirement plans → · Plans in Texas →

M1 Support Services, L.P. 401(k) Plan in the asset neighbourhood

Marco Technologies, LLC 401(k) PlanMarco Technologies, LLC 401(…$129MM1 Support Services, L.P. 401(k) PlanM1 Support Services, L.P. 40…$129MCanfor Southern Pine, Inc. 401(k) PlanCanfor Southern Pine, Inc. 4…$129MSophos, Inc 401(k) Savings PlanSophos, Inc 401(k) Savings P…$129MMilton Cat 401(k) Plan$129M
End-of-year total assets ($M) among M1 Support Services, L.P. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Texas filing particulars

Total Assets (Beginning of Year)$93M
Net Assets (End of Year)$129M
Net Income$36M
Employer EIN200288988
Plan Effective Date2007-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (M1 Support Services, L.P.)

Sponsor-wide plan assets over time

All M1 Support Services, L.P. plans reported in each filing year

Latest sponsor-wide plan assets
$172M 85.32468367208821% vs 2022
2024 filing year
$50M$100M$150M$200M 202220232024 $92.6M $172M ▲ +85.3%
Year Plans Participants Total Assets
2022 1 2,864 $93M
2023 1 2,492 $129M
2024 1 4,812 $172M

Nearby 401(k) Plans in Texas

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

M1 Support Services, L.P. 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants M1 Support Services, L.P. 401(k) Plan, Total assets ($B): 0.128638548 · Participants: 2492M1 Support Services, L.P. 401(k) PlanAT&T Retirement Savings Plan, Total assets ($B): 40.012012 · Participants: 119854AT&T Retirement Savings PlanExxonmobil Savings Plan, Total assets ($B): 21.917 · Participants: 23477Exxonmobil Savings PlanCaterpillar 401(k) Savings Plan, Total assets ($B): 16.496476432 · Participants: 41679Caterpillar 401(k) Savings PlanAmerican Airlines, Inc. 401(k) Plan, Total assets ($B): 14.680189879 · Participants: 88792American Airlines, Inc. 401(k) PlanDell Inc. 401(k) Plan, Total assets ($B): 13.529835 · Participants: 45686Dell Inc. 401(k) Plan
M1 Support Services, L.P. 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants
Compare M1 Support Services, L.P. 401(k) Plan side-by-side with 3 peers →

M1 Support Services, L.P. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Texas, the nearest 401(k) by assets is Canfor Southern Pine, Inc. 401(k) Plan in SC ($129M); by covered participants it is Florida Cancer Specialists & Research Institute, LLC 401(k) Profit Sharing Plan & Trust in FL (2,493 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 (2,492 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did M1 Support Services, L.P. 401(k) Plan assets move in 2023? ▼
M1 Support Services, L.P. 401(k) Plan surged - up 39.0% during 2023, from $93M to $129M. Reported net income was $36M.
How have M1 Support Services, L.P. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), M1 Support Services, L.P.'s sponsor-wide assets grew 85.3%, from $93M to $172M.
Where does M1 Support Services, L.P. 401(k) Plan rank by assets among Form 5500 filers? ▼
M1 Support Services, L.P. 401(k) Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to M1 Support Services, L.P. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Canfor Southern Pine, Inc. 401(k) Plan in SC ($129M, 2,374 participants).
Which 401(k) plans cover a similar participant headcount to M1 Support Services, L.P. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Florida Cancer Specialists & Research Institute, LLC 401(k) Profit Sharing Plan & Trust in FL (2,493 participants, $258M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 200288988.

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.