401(k) · DOL Form 5500 · 2024

O'brien Services Inc. 401(k) Plan

Data updated 2026-08-25

$737K
Total assets Small plan by assets
391
Participants Below avg headcount
21st
Percentile by assets National rank
$1,886
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: O'brien and Associates 401(k) Plan · Sponsored by O'brien Services Inc. · Wisconsin · Administrative & Support Services

$737K in assets, 391 participants

O'brien Services Inc.'s O'brien and Associates 401(k) Plan reported $737K in total assets and 391 participants in its 2024 DOL Form 5500 filing, ranking in the 21st 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.

  • #1,898 in Administrative & Support Services (4,368 peers)

Administrative & Support Services sector rank

Within Administrative & Support Services, O'brien and Associates 401(k) Plan ranks #1,898 of 4,368 2024 filers by assets (3912% of the sector average)-$737K for 391 participants.

#1,898
in Administrative & Support Services (4,368 peers)
+2.9%
assets growth YoY

O'brien and Associates 401(k) Plan among the smaller filed plans by assets

O'brien and Associates 401(k) Plan vs every filed plan by assets

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

$737,483 21st percentile higher than 21% 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

O'brien and Associates 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. O'brien and Associates 401(k) Plan sits mid-pack in the medium band (391 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • O'brien and Associates 401(k) Plan reported net income fell from $203K in the plan year 2023 filing to $21K in the plan year 2024 filing.
  • O'brien and Associates 401(k) Plan reported participants rose from 342 in the plan year 2023 filing to 391 in the plan year 2024 filing.
  • O'brien and Associates 401(k) Plan end-of-year assets rose from $717K in the plan year 2023 filing to $737K in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 391818583 · O'brien Services Inc. PY 2024 · 401(k)

O'brien and Associates 401(k) Plan · $737K · 391 · 21st

  • BOOK $737K
  • BOOK 391
  • BOOK 21st
  • BOOK 401(k)
  • BOOK near Drlandscape, Inc. 401(k) Plan
  • BOOK ind #1898

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 Wisconsin →

O'brien and Associates 401(k) Plan in the asset neighbourhood

O'brien and Associates 401(k) PlanO'brien and Associates 401(k…$737KDrlandscape, Inc. 401(k) Plan$737KCalifornia Concessions 401(k)$738KCalifornia Concessions 401(k)$738KMep Pros, Inc. 401(k) Profit Sharing PlanMep Pros, Inc. 401(k) Profit…$737K
End-of-year total assets ($M) among O'brien and Associates 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Administrative & Support Services filing particulars

Total Assets (Beginning of Year)$717K
Net Assets (End of Year)$737K
Net Income$21K
Employer EIN391818583
Plan Effective Date2019-04-15
Filing StatusFILING RECEIVED

Sponsor Plan History (O'brien Services Inc.)

Sponsor-wide plan assets over time

All O'brien Services Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$737K 43.51073290431554% vs 2022
2024 filing year
$0.4M$0.5M$0.6M$0.7M$0.8M 202220232024 $0.51M $0.74M ▲ +45.1%
Year Plans Participants Total Assets
2022 1 239 $514K
2023 1 342 $717K
2024 1 391 $737K

Nearby 401(k) Plans in Wisconsin

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

O'brien and Associates 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -5051015 Total assets ($B) Participants O'brien and Associates 401(k) Plan, Total assets ($B): 0.000737483 · Participants: 391O'brien and Associates 401(k) PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 10.487791739 · Participants: 80015Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 7.188548319 · Participants: 28489Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 5.136404794 · Participants: 26372Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.988151 · Participants: 11661Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.765132976 · Participants: 9217Rockwell Automation Retirement Savings Plan
O'brien and Associates 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants

O'brien and Associates 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Drlandscape, Inc. 401(k) Plan in AZ ($737K); by covered participants it is Vistex, Inc. 401(k) Profit Sharing Plan in IL (391 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($737K here).

Similar participant headcount

Nearest other-state filings by covered participants (391 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 O'brien and Associates 401(k) Plan assets move in 2024?
O'brien and Associates 401(k) Plan edged up modestly - up 2.9% during 2024, from $717K to $737K. Reported net income was $21K.
How have O'brien Services Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), O'brien Services Inc.'s sponsor-wide assets grew 43.5%, from $514K to $737K.
Where does O'brien and Associates 401(k) Plan rank by assets among Form 5500 filers?
O'brien and Associates 401(k) Plan ranks in the 21st percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the smaller plans by assets on file).
Which 401(k) plans are similar in size to O'brien and Associates 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Drlandscape, Inc. 401(k) Plan in AZ ($737K, 1 participant).
Which 401(k) plans cover a similar participant headcount to O'brien and Associates 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Vistex, Inc. 401(k) Profit Sharing Plan in IL (391 participants, $49M in assets).