401(k) · DOL Form 5500 · 2023

Durham School Services, L.P. 401(k) Plan

Data updated 2026-08-11

$125M
Total assets
20,428
Participants
93rd
Percentile by assets
$6,141
Avg per participant
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Official DOL plan name: National Express Safe Harbor 401(k) Plan · Sponsored by Durham School Services, L.P. · Illinois · Transportation & Warehousing

$125M in assets, 20,428 participants

Durham School Services, L.P.'s National Express Safe Harbor 401(k) Plan reported $125M in total assets and 20,428 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.

  • 93rd percentile by assets (of 127,072 plans)
  • #3,047 in Transportation & Warehousing (3,362 peers)

Coverage in Illinois

National Express Safe Harbor 401(k) Plan covers 20,428 participants in Illinois, 26x the typical Illinois plan (state average ~779 per filing). Assets: $125M.

$125M
total plan assets (2023 EOY)
20,428
covered participants
93rd
percentile by assets (of 127,072 plans)
$6,141
avg assets per participant

Where National Express Safe Harbor 401(k) Plan sits by total assets

National Express Safe Harbor 401(k) Plan vs every filed plan by assets

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

$125,439,833 Top 7% higher than 93% of 127,068 filed plans

This plan $0 $2,010,000,000 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

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • National Express Safe Harbor 401(k) Plan reported net income rose from -$21M in the plan year 2022 filing to $22M in the plan year 2023 filing.
  • National Express Safe Harbor 401(k) Plan end-of-year assets rose from $103M in the plan year 2022 filing to $125M in the plan year 2023 filing.
  • National Express Safe Harbor 401(k) Plan reported participants rose from 18,623 in the plan year 2022 filing to 20,428 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Participants vs Illinois filers

In Illinois, the average filing covers about 779 participants across 5,745 plans. National Express Safe Harbor 401(k) Plan reports 20,428 participants - 26x that state average ($125M EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$103M
Net Assets (End of Year)$125M
Net Income$22M
Employer EIN953320487
Plan Effective Date2003-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Durham School Services, L.P.)

$100M$110M$120M$130M$140M 202220232024 $103M $130M ▲ +25.6%
Total plan assets by year, all Durham School Services, L.P. plans on file
Year Plans Participants Total Assets
2022 1 18,623 $103M
2023 1 20,428 $125M
2024 1 18,709 $130M

Nearby 401(k) Plans in Illinois

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

National Express Safe Harbor 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 -505101520 Total assets ($B) Participants National Express Saf…, Total assets ($B): 0.125439833 · Participants: 20428National Express Saf…Accenture United Sta…, Total assets ($B): 17.594548115 · Participants: 69974Accenture United Sta…State Farm 401(k) Sa…, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Sa…Abbott Laboratories …, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories …United Airlines Pilo…, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilo…Walgreens Retirement…, Total assets ($B): 13.444551767 · Participants: 235331Walgreens Retirement…
National Express Safe Harbor 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Scale composition for National Express Safe Harbor 401(k) Plan

National Express Safe Harbor 401(k) Plan reports $125M in end-of-year assets across 20,428 participants (0.001% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.022% of 93,925,755 covered participants) - about $6,141 per participant (4% of the national average assets-per-participant) . Net income for plan year 2023 was $22M.

This plan identity (EIN 953320487, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $103M to $130M (+25.6%) while covered participants moved from 18,623 to 18,709 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 18,623 $103M Open filing
2023 20,428 $125M This page
2024 · index core 18,709 $130M Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to National Express Safe Harbor 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did National Express Safe Harbor 401(k) Plan assets move in 2023?
National Express Safe Harbor 401(k) Plan grew sharply - up 21.3% during 2023, from $103M to $125M. Reported net income was $22M.
How have Durham School Services, L.P. plan assets changed over time?
Across 3 plan years on file (2022-2024), Durham School Services, L.P.'s sponsor-wide assets grew 25.6%, from $103M to $130M.
Where does National Express Safe Harbor 401(k) Plan rank by assets among Form 5500 filers?
National Express Safe Harbor 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 National Express Safe Harbor 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is The Hackett Group, Inc. 401(k) Plan in FL ($125M, 662 participants).

Next read for National Express Safe Harbor 401(k) Plan

Filing takeaways

Ways to act on National Express Safe Harbor 401(k) Plan's numbers.