401(k) · DOL Form 5500 · 2023

C3 Corporation 401(k) Plan

Data updated 2026-08-25

$10M
Total assets Small plan by assets
98
Participants Small participant base
59th
Percentile by assets National rank
$104,052
Avg per participant Below avg balance/head
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Official DOL plan name: C3 401(k) Profit Sharing Plan · Sponsored by C3 Corporation · Wisconsin · Professional & Technical Services

$10M in assets, 98 participants

C3 Corporation's C3 401(k) Profit Sharing Plan reported $10M in total assets and 98 participants in its 2023 DOL Form 5500 filing, ranking in the 59th 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.

  • #11,736 in Professional & Technical Services (20,321 peers)

2023 asset change

C3 401(k) Profit Sharing Plan grew sharply 19.8% in 2023 ($9M → $10M) for 98 participants.

#11,736
in Professional & Technical Services (20,321 peers)
+19.8%
assets growth YoY

C3 401(k) Profit Sharing Plan's mid-pack asset rank among Professional & Technical Services and all filers

C3 401(k) Profit Sharing Plan vs every filed plan by assets

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

$10,197,078 Top 41% higher than 59% 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

C3 401(k) Profit Sharing Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. C3 401(k) Profit Sharing Plan is a small filing (98 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • C3 401(k) Profit Sharing Plan reported net income rose from -$634K in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • C3 401(k) Profit Sharing Plan end-of-year assets rose from $9M in the plan year 2022 filing to $10M in the plan year 2023 filing.
  • C3 401(k) Profit Sharing Plan reported participants rose from 95 in the plan year 2022 filing to 98 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 391781464 · C3 Corporation PY 2023 · 401(k)

C3 401(k) Profit Sharing Plan · $10M · 98 · 59th

  • SCH $10M
  • SCH 98
  • SCH 59th
  • SCH 401(k)
  • SCH near Brightwheel 401(k) Plan
  • SCH ind #11736

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 Professional & Technical Services retirement plans → · Plans in Wisconsin →

C3 401(k) Profit Sharing Plan in the asset neighbourhood

C3 401(k) Profit Sharing Plan$10MBrightwheel 401(k) Plan$10MIris 401 (K) Plan$10MBekaertdeslee USA, Inc. 401(k) Retirement PlanBekaertdeslee USA, Inc. 401(…$10MHughes Group, Inc. 401(k) PlanHughes Group, Inc. 401(k) Pl…$10M
End-of-year total assets ($M) among C3 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

C3 Corporation years around the 2023 move

Sponsor-wide plan assets over time

All C3 Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$9M 8.976798432282681% vs 2022
2024 filing year
$8M$9M$10M$11M 202220232024 $8.51M $9.27M ▲ +8.9%
Year Plans Participants Total Assets
2022 1 95 $9M
2023 1 98 $10M
2024 1 70 $9M

2023 asset-move particulars

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$10M
Net Income$2M
Employer EIN391781464
Plan Effective Date1994-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Wisconsin

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

C3 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -50510 Total assets ($B) Participants C3 401(k) Profit Sharing Plan, Total assets ($B): 0.010197078 · Participants: 98C3 401(k) Profit Sharing PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 9.125723544 · Participants: 76956Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 6.160116767 · Participants: 28904Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 4.81171463 · Participants: 25280Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.550761 · Participants: 11236Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.62235882 · Participants: 8877Rockwell Automation Retirement Savings Plan
C3 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare C3 401(k) Profit Sharing Plan side-by-side with 3 peers →

C3 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Brightwheel 401(k) Plan in CA ($10M); by covered participants it is Blanco Enterprises 1081. 01(D) Retirement Plan in PR (98 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($10M here).

Similar participant headcount

Nearest other-state filings by covered participants (98 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 C3 401(k) Profit Sharing Plan assets move in 2023? ▼
C3 401(k) Profit Sharing Plan grew sharply - up 19.8% during 2023, from $9M to $10M. Reported net income was $2M.
How have C3 Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), C3 Corporation's sponsor-wide assets grew 9.0%, from $9M to $9M.
Which 401(k) plans are similar in size to C3 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Brightwheel 401(k) Plan in CA ($10M, 400 participants).
Which 401(k) plans cover a similar participant headcount to C3 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Blanco Enterprises 1081. 01(D) Retirement Plan in PR (98 participants, $81K 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 391781464.

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.