401(k) · DOL Form 5500 · 2024

S.L. Williamson Co., Inc. 401(k) Plan

Data updated 2026-08-25

$6M
Total assets Small plan by assets
131
Participants Small participant base
47th
Percentile by assets National rank
$48,931
Avg per participant Low balance/head
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Official DOL plan name: S.L. Williamson Co., Inc 401(k) Retirement Plan · Sponsored by S.L. Williamson Co., Inc. · Virginia · Construction

$6M in assets, 131 participants

S.L. Williamson Co., Inc.'s S.L. Williamson Co., Inc 401(k) Retirement Plan reported $6M in total assets and 131 participants in its 2024 DOL Form 5500 filing, ranking in the 47th 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.

  • #4,083 in Construction (9,039 peers)

Coverage in Virginia

S.L. Williamson Co., Inc 401(k) Retirement Plan covers 131 participants in Virginia, about 17% of the average Virginia filer (state average ~782 per filing). Assets: $6M.

#4,083
in Construction (9,039 peers)
+14.3%
assets growth YoY

S.L. Williamson Co., Inc 401(k) Retirement Plan's mid-pack asset rank among Construction and all filers

S.L. Williamson Co., Inc 401(k) Retirement Plan vs every filed plan by assets

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

$6,409,911 47th percentile higher than 47% 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

S.L. Williamson Co., Inc 401(k) Retirement Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. S.L. Williamson Co., Inc 401(k) Retirement Plan sits mid-pack in the medium band (131 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • S.L. Williamson Co., Inc 401(k) Retirement Plan reported net income fell from $1M in the plan year 2023 filing to $800K in the plan year 2024 filing.
  • S.L. Williamson Co., Inc 401(k) Retirement Plan end-of-year assets rose from $6M in the plan year 2023 filing to $6M in the plan year 2024 filing.
  • S.L. Williamson Co., Inc 401(k) Retirement Plan reported participants rose from 123 in the plan year 2023 filing to 131 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 540491737 · S.L. Williamson Co., Inc. PY 2024 · 401(k)

S.L. Williamson Co., Inc 401(k) Retirement Plan · $6M · 131 · 47th

  • BOY $6M
  • SCH 131
  • EBSA 47th
  • PART 401(k)
  • TYPE near Leaderstat LLC 401 K Profit Sharing Plan and Trust
  • NET ind #4083

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 Virginia →

S.L. Williamson Co., Inc 401(k) Retirement Plan in the asset neighbourhood

S.L. Williamson Co., Inc 401(k) Retirement PlanS.L. Williamson Co., Inc 401…$6MLeaderstat LLC 401 K Profit Sharing Plan and TrustLeaderstat LLC 401 K Profit …$6MManor Motorcar Company 401(k) PlanManor Motorcar Company 401(k…$6MQuantum 401(k) Plan$6MMiller Mechanical Specialties Inc., Employees Profit Sharing Plan & TrustMiller Mechanical Specialtie…$6M
End-of-year total assets ($M) among S.L. Williamson Co., Inc 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Virginia filing particulars

Total Assets (Beginning of Year)$6M
Net Assets (End of Year)$6M
Net Income$800K
Employer EIN540491737
Plan Effective Date1997-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (S.L. Williamson Co., Inc.)

Sponsor-wide plan assets over time

All S.L. Williamson Co., Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$6M 41.952321074476615% vs 2022
2024 filing year
$4M$5M$6M$7M 202220232024 $4.52M $6.41M ▲ +41.8%
Year Plans Participants Total Assets
2022 1 114 $5M
2023 1 123 $6M
2024 1 131 $6M

Nearby 401(k) Plans in Virginia

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

S.L. Williamson Co., Inc 401(k) Retirement Plan vs. nearby 401(k) plans in Virginia, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants S.L. Williamson Co., Inc 401(k) Retirement Plan, Total assets ($B): 0.006409911 · Participants: 131S.L. Williamson Co., Inc 401(k) Retirement PlanNorthrop Grumman Savings Plan, Total assets ($B): 39.473777135 · Participants: 104719Northrop Grumman Savings Plan401(k) Pension Plan, Total assets ($B): 16.840459887 · Participants: 62869401(k) Pension PlanGeneral Dynamics Corporation 401(k) Plan 6.0, Total assets ($B): 12.395006194 · Participants: 49414General Dynamics Corporation 401(k) Plan 6.0Capital One Financial Corporation Associate Savings Plan, Total assets ($B): 12.04952818 · Participants: 44933Capital One Financial Corporation Associate Savings PlanLeidos, Inc. Retirement Plan, Total assets ($B): 11.790942581 · Participants: 29734Leidos, Inc. Retirement Plan
S.L. Williamson Co., Inc 401(k) Retirement Plan vs. nearby 401(k) plans in Virginia, assets vs. participants
Compare S.L. Williamson Co., Inc 401(k) Retirement Plan side-by-side with 3 peers →

S.L. Williamson Co., Inc 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Virginia, the nearest 401(k) by assets is Leaderstat LLC 401 K Profit Sharing Plan and Trust in OH ($6M); by covered participants it is T/J Inspection, Inc. 401(k) Plan in OK (131 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (131 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 S.L. Williamson Co., Inc 401(k) Retirement Plan assets move in 2024? ▼
S.L. Williamson Co., Inc 401(k) Retirement Plan grew at a solid clip - up 14.3% during 2024, from $6M to $6M. Reported net income was $800K.
How have S.L. Williamson Co., Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), S.L. Williamson Co., Inc.'s sponsor-wide assets grew 42.0%, from $5M to $6M.
Which 401(k) plans are similar in size to S.L. Williamson Co., Inc 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Leaderstat LLC 401 K Profit Sharing Plan and Trust in OH ($6M, 172 participants).
Which 401(k) plans cover a similar participant headcount to S.L. Williamson Co., Inc 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is T/J Inspection, Inc. 401(k) Plan in OK (131 participants, $5M 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 540491737.

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.