401(k) · DOL Form 5500 · 2022

Suffolk Construction Company, Inc. 401(k) Plan

Data updated 2026-08-11

$236M
Total assets
1,687
Participants
96th
Percentile by assets
$139,646
Avg per participant
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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.

  • 96th percentile by assets (of 139,126 plans)
  • #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.

$236M
total plan assets (2022 EOY)
1,687
covered participants
96th
percentile by assets (of 139,126 plans)
$139,646
avg assets per participant

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.

Industry

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Suffolk Construction Company, Inc. 401(k) Retirement Plan reports 1,687 participants - 2.6x that state average ($236M EOY assets).

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.)

$200M$250M$300M$350M 202220232024 $236M $336M ▲ +42.8%
Total plan assets by year, all Suffolk Construction Company, Inc. plans on file
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

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…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Philips North Americ…Boston Scientific Co…
Suffolk Construction Company, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Suffolk Construction Company, Inc. 401(k) Retirement Plan by total assets, not by location.

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).

Next read for Suffolk Construction Company, Inc. 401(k…

Filing takeaways

Ways to act on Suffolk Construction Company, Inc. 401(k) Retirement Plan's numbers.

  • By total assets, Suffolk Construction Company, Inc. 401(k) Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
  • Suffolk Construction Company, Inc.'s sponsor-wide assets have grown 42.8% since 2022 across 3 plan years on file. More Construction plans