401(k) · DOL Form 5500 · 2024
Suffolk Construction Company, Inc. 401(k) Plan
Data updated 2026-08-25
- $336M
- Total assets Above avg plan size
- 1,935
- Participants Near avg headcount
- 96th
- Percentile by assets National rank
- $173,858
- Avg per participant Above avg balance/head
Official DOL plan name: Suffolk Construction Company, Inc. 401(k) Retirement Plan · Sponsored by Suffolk Construction Company, Inc. · Massachusetts · Construction
$336M in assets, 1,935 participants
Suffolk Construction Company, Inc.'s Suffolk Construction Company, Inc. 401(k) Retirement Plan reported $336M in total assets and 1,935 participants in its 2024 DOL Form 5500 filing, ranking in the 96th 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.
- #8,639 in Construction (9,039 peers)
Coverage in Massachusetts
Suffolk Construction Company, Inc. 401(k) Retirement Plan covers 1,935 participants in Massachusetts, 2.9x the typical Massachusetts plan (state average ~659 per filing). Assets: $336M.
- #8,639
- in Construction (9,039 peers)
- +20.2%
- assets growth YoY
- 3.4×
- vs typical plan assets (national mean)
Suffolk Construction Company, Inc. 401(k) Retirement Plan's outsized position by total assets
Suffolk Construction Company, Inc. 401(k) Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$336,415,812 Top 4% higher than 96% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Suffolk Construction Company, Inc. 401(k) Retirement Plan's large-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Suffolk Construction Company, Inc. 401(k) Retirement Plan lands in the large band (1,935 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Suffolk Construction Company, Inc. 401(k) Retirement Plan reported net income rose from $44M in the plan year 2023 filing to $56M in the plan year 2024 filing.
- Suffolk Construction Company, Inc. 401(k) Retirement Plan end-of-year assets rose from $280M in the plan year 2023 filing to $336M in the plan year 2024 filing.
- Suffolk Construction Company, Inc. 401(k) Retirement Plan reported participants rose from 1,826 in the plan year 2023 filing to 1,935 in the plan year 2024 filing.
Published 5500 schedule card
Filing strip 042776356 · Suffolk Construction Company, Inc. PY 2024 · 401(k)
Suffolk Construction Company, Inc. 401(k) Retirement Plan · $336M · 1,935 · 96th
- PCT $336M
- PCT 1,935
- PCT 96th
- PCT 401(k)
- PCT near Employees Profit Sharing 401(k) Plan of Alfred Benesch & Company
- PCT ind #8639
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 Construction retirement plans → · Plans in Massachusetts →
Suffolk Construction Company, Inc. 401(k) Retirement Plan in the asset neighbourhood
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $280M |
|---|---|
| Net Assets (End of Year) | $336M |
| Net Income | $56M |
| Employer EIN | 042776356 |
| Plan Effective Date | 1993-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Suffolk Construction Company, Inc.)
Sponsor-wide plan assets over time
All Suffolk Construction Company, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $336M 42.8014756998374% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 1,687 | $236M |
| 2023 | 1 | 1,826 | $280M |
| 2024 | 1 | 1,935 | $336M |
Nearby 401(k) Plans in Massachusetts
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- Fidelity Retirement Savings Plan $34.2B · 66,907
- Liberty Mutual 401(k) Plan $11.4B · 34,618
- Massachusetts Institute of Technology Supplemental 401(k) Plan $7.7B · 14,762
- Boston Scientific Corporation 401(k) Retirement Savings Plan $6.8B · 20,639
- State Street Salary Savings Program $6.5B · 12,777
Suffolk Construction Company, Inc. 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount
Outside Massachusetts, the nearest 401(k) by assets is Employees Profit Sharing 401(k) Plan of Alfred Benesch & Company in IL ($336M); by covered participants it is Primary Health Choice, Inc. 401(k) Plan in NC (1,935 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($336M here).
Similar participant headcount
Nearest other-state filings by covered participants (1,935 participants); asset peers above are excluded.
- Primary Health Choice, Inc. 401(k) Plan (NC) 1,935 · 0 off
- Cenveo Worldwide Limited 401(k) Savings and Retirement Plan (CT) 1,935 · 0 off
- Howard County General Hospital, Inc. 401(k) Plan (MD) 1,935 · 0 off
- Powell Industries, Inc. Employees Incentive Savings Plan (TX) 1,934 · 1 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.