401(k) · DOL Form 5500 · 2022

Suffolk Construction Company, Inc. 401(k) Plan

Data updated 2026-08-25

$236M
Total assets Near avg plan size
1,687
Participants Near avg headcount
96th
Percentile by assets National rank
$139,646
Avg per participant Near avg balance/head
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Official DOL plan name: Suffolk Construction Company, Inc. 401(k) Retirement Plan · Sponsored by Suffolk Construction Company, Inc. · Massachusetts · Construction

$236M in assets, 1,687 participants

Suffolk Construction Company, Inc.'s Suffolk Construction Company, Inc. 401(k) Retirement Plan reported $236M in total assets and 1,687 participants in its 2022 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.

  • #9,475 in Construction (9,927 peers)

Coverage in Massachusetts

Suffolk Construction Company, Inc. 401(k) Retirement Plan covers 1,687 participants in Massachusetts, 2.6x the typical Massachusetts plan (state average ~659 per filing). Assets: $236M.

#9,475
in Construction (9,927 peers)
-15.9%
assets change YoY
2.4×
vs typical plan assets (national mean)

The plan reported a net loss of $44M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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 2022 · DOL Form 5500

$235,582,868 Top 4% higher than 96% of 139,123 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 2022

Suffolk Construction Company, Inc. 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2022 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 (1,687 participants).

EBSA filing schedule strip

Filing strip 042776356 · Suffolk Construction Company, Inc. PY 2022 · 401(k)

Suffolk Construction Company, Inc. 401(k) Retirement Plan · $236M · 1,687 · 96th

  • PCT $236M
  • PCT 1,687
  • PCT 96th
  • PCT 401(k)
  • PCT near District Medical Group, Inc. Profit Sharing and 401(k) Plan & Trust
  • PCT ind #9475

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

World Fuel Services Corporation 401(k) Profit Sharing PlanWorld Fuel Services Corporat…$236MDistrict Medical Group, Inc. Profit Sharing and 401(k) Plan & TrustDistrict Medical Group, Inc.…$236MSuffolk Construction Company, Inc. 401(k) Retirement PlanSuffolk Construction Company…$236MNew York Independent System Inc. 401(k) Retirement PlanNew York Independent System …$235MParty City Holdings Inc. 401(k) PlanParty City Holdings Inc. 401…$235M
End-of-year total assets ($M) among Suffolk Construction Company, Inc. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$280M
Net Assets (End of Year)$236M
Net Income-$44M
Employer EIN042776356
Plan Effective Date1993-01-01
Filing StatusFILING 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
$200M$250M$300M$350M 202220232024 $236M $336M ▲ +42.8%
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.

Suffolk Construction Company, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -50510152025 Total assets ($B) Participants Suffolk Construction Company, Inc. 401(k) Retirement Plan, Total assets ($B): 0.235582868 · Participants: 1687Suffolk Construction Company, Inc. 401(k) Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Suffolk Construction Company, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Suffolk Construction Company, Inc. 401(k) Retirement Plan side-by-side with 3 peers →

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 District Medical Group, Inc. Profit Sharing and 401(k) Plan & Trust in AZ ($236M); by covered participants it is Supplyone 401(k) Plan in PA (1,687 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,687 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Suffolk Construction Company, Inc. 401(k) Retirement Plan assets move in 2022? ▼
Suffolk Construction Company, Inc. 401(k) Retirement Plan declined sharply - down 15.9% during 2022, from $280M to $236M. Reported net income was -$44M.
How have Suffolk Construction Company, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Suffolk Construction Company, Inc.'s sponsor-wide assets grew 42.8%, from $236M to $336M.
Where does Suffolk Construction Company, Inc. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Suffolk Construction Company, Inc. 401(k) Retirement Plan ranks in the 96th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Suffolk Construction Company, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is District Medical Group, Inc. Profit Sharing and 401(k) Plan & Trust in AZ ($236M, 788 participants).
Which 401(k) plans cover a similar participant headcount to Suffolk Construction Company, Inc. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Supplyone 401(k) Plan in PA (1,687 participants, $72M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042776356.

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.