401(k) · DOL Form 5500 · 2024

Thompson Engineering Company, Inc. 401(k) Plan

Data updated 2026-08-25

$2M
Total assets Small plan by assets
2
Participants Small participant base
29th
Percentile by assets National rank
$988,825
Avg per participant High balance/head
PlainRetire home → About this data

Official DOL plan name: Thompson Engineering Company, Inc. 401(k) Plan · Sponsored by Thompson Engineering Company, Inc. · Massachusetts · Professional & Technical Services

$2M in assets, 2 participants

Thompson Engineering Company, Inc.'s Thompson Engineering Company, Inc. 401(k) Plan reported $2M in total assets and 2 participants in its 2024 DOL Form 5500 filing, ranking in the 29th 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.

  • #5,054 in Professional & Technical Services (20,173 peers)

2024 asset change

Thompson Engineering Company, Inc. 401(k) Plan grew sharply 29.2% in 2024 ($2M → $2M) for 2 participants.

#5,054
in Professional & Technical Services (20,173 peers)
+29.2%
assets growth YoY

Thompson Engineering Company, Inc. 401(k) Plan among the smaller filed plans by assets

Thompson Engineering Company, Inc. 401(k) Plan vs every filed plan by assets

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

$1,977,650 29th percentile higher than 29% 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

Thompson Engineering Company, Inc. 401(k) Plan among micro filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Thompson Engineering Company, Inc. 401(k) Plan is a micro filing (2 participants), the leftmost band.

Plan-year Form 5500 strip

Filing strip 042348023 · Thompson Engineering Company, Inc. PY 2024 · 401(k)

Thompson Engineering Company, Inc. 401(k) Plan · $2M · 2 · 29th

  • EBSA $2M
  • PART 2
  • TYPE 29th
  • NET 401(k)
  • BOOK near Tugboat Management, LLC 401(k) Plan
  • VS-ST ind #5054

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 Massachusetts →

Thompson Engineering Company, Inc. 401(k) Plan in the asset neighbourhood

Thompson Engineering Company, Inc. 401(k) PlanThompson Engineering Company…$2MTugboat Management, LLC 401(k) PlanTugboat Management, LLC 401(…$2MKnight Island Management 401(k) PlanKnight Island Management 401…$2MCharis & Doxa Creative Inc. Retirement PlanCharis & Doxa Creative Inc. …$2MFordyce 401(k) and Profit Sharing PlanFordyce 401(k) and Profit Sh…$2M
End-of-year total assets ($M) among Thompson Engineering Company, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

2024 asset-move particulars

Total Assets (Beginning of Year)$2M
Net Assets (End of Year)$2M
Net Income$447K
Employer EIN042348023
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Thompson Engineering Company, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Thompson Engineering Company, Inc. 401(k) Plan, Total assets ($B): 0.00197765 · Participants: 2Thompson Engineering Company, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Thompson Engineering Company, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Thompson Engineering Company, Inc. 401(k) Plan side-by-side with 3 peers →

Thompson Engineering Company, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Tugboat Management, LLC 401(k) Plan in ID ($2M); by covered participants it is Frozen Smiles Retirement Plan in TN (2 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2 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 Thompson Engineering Company, Inc. 401(k) Plan assets move in 2024? ▼
Thompson Engineering Company, Inc. 401(k) Plan grew sharply - up 29.2% during 2024, from $2M to $2M. Reported net income was $447K.
Which 401(k) plans are similar in size to Thompson Engineering Company, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Tugboat Management, LLC 401(k) Plan in ID ($2M, 12 participants).
Which 401(k) plans cover a similar participant headcount to Thompson Engineering Company, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Frozen Smiles Retirement Plan in TN (2 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042348023.

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.