401(k) · DOL Form 5500 · 2023

D & M Holding Inc. 401(k) Plan

Data updated 2026-08-25

$110M
Total assets Near avg plan size
139
Participants Small participant base
92nd
Percentile by assets National rank
$794,247
Avg per participant High balance/head
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Official DOL plan name: Degolyer and Macnaughton Employees' Savings Plan · Sponsored by D & M Holding Inc. · Texas · Professional & Technical Services

$110M in assets, 139 participants

D & M Holding Inc.'s Degolyer and Macnaughton Employees' Savings Plan reported $110M in total assets and 139 participants in its 2023 DOL Form 5500 filing, ranking in the 92nd 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.

  • #18,914 in Professional & Technical Services (20,321 peers)

Coverage in Texas

Degolyer and Macnaughton Employees' Savings Plan covers 139 participants in Texas, about 20% of the average Texas filer (state average ~688 per filing). Assets: $110M.

#18,914
in Professional & Technical Services (20,321 peers)
+7.6%
assets growth YoY
1.1×
vs typical plan assets (national mean)

Degolyer and Macnaughton Employees' Savings Plan's outsized position by total assets

Degolyer and Macnaughton Employees' Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$110,400,279 Top 8% higher than 92% of 127,068 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 2023

Degolyer and Macnaughton Employees' Savings Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Degolyer and Macnaughton Employees' Savings Plan sits mid-pack in the medium band (139 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Degolyer and Macnaughton Employees' Savings Plan reported net income rose from -$32M in the plan year 2022 filing to $8M in the plan year 2023 filing.
  • Degolyer and Macnaughton Employees' Savings Plan reported participants fell from 171 in the plan year 2022 filing to 139 in the plan year 2023 filing.
  • Degolyer and Macnaughton Employees' Savings Plan end-of-year assets rose from $103M in the plan year 2022 filing to $110M in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 750771709 · D & M Holding Inc. PY 2023 · 401(k)

Degolyer and Macnaughton Employees' Savings Plan · $110M · 139 · 92nd

  • SCH $110M
  • SCH 139
  • SCH 92nd
  • SCH 401(k)
  • SCH near Jackson Thornton & Co., P.C. 401(k) Plan
  • SCH ind #18914

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 Texas →

Degolyer and Macnaughton Employees' Savings Plan in the asset neighbourhood

American Renal Management LLC 401(k) PlanAmerican Renal Management LL…$110MThe Rovisys Company 401(k) Retirement PlanThe Rovisys Company 401(k) R…$110MDegolyer and Macnaughton Employees' Savings PlanDegolyer and Macnaughton Emp…$110MJackson Thornton & Co., P.C. 401(k) PlanJackson Thornton & Co., P.C.…$110MPediatric Associates Employee Savings & Retirement PlanPediatric Associates Employe…$110M
End-of-year total assets ($M) among Degolyer and Macnaughton Employees' Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Texas filing particulars

Total Assets (Beginning of Year)$103M
Net Assets (End of Year)$110M
Net Income$8M
Employer EIN750771709
Plan Effective Date1953-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (D & M Holding Inc.)

Sponsor-wide plan assets over time

All D & M Holding Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$119M 16.086091662478776% vs 2022
2024 filing year
$100M$105M$110M$115M$120M$125M 202220232024 $103M $119M ▲ +16.1%
Year Plans Participants Total Assets
2022 1 171 $103M
2023 1 139 $110M
2024 1 132 $119M

Nearby 401(k) Plans in Texas

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

Degolyer and Macnaughton Employees' Savings Plan vs. nearby 401(k) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants Degolyer and Macnaughton Employees' Savings Plan, Total assets ($B): 0.110400279 · Participants: 139Degolyer and Macnaughton Employees' Savings PlanAT&T Retirement Savings Plan, Total assets ($B): 40.012012 · Participants: 119854AT&T Retirement Savings PlanExxonmobil Savings Plan, Total assets ($B): 21.917 · Participants: 23477Exxonmobil Savings PlanCaterpillar 401(k) Savings Plan, Total assets ($B): 16.496476432 · Participants: 41679Caterpillar 401(k) Savings PlanAmerican Airlines, Inc. 401(k) Plan, Total assets ($B): 14.680189879 · Participants: 88792American Airlines, Inc. 401(k) PlanDell Inc. 401(k) Plan, Total assets ($B): 13.529835 · Participants: 45686Dell Inc. 401(k) Plan
Degolyer and Macnaughton Employees' Savings Plan vs. nearby 401(k) plans in Texas, assets vs. participants
Compare Degolyer and Macnaughton Employees' Savings Plan side-by-side with 3 peers →

Degolyer and Macnaughton Employees' Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Texas, the nearest 401(k) by assets is Jackson Thornton & Co., P.C. 401(k) Plan in AL ($110M); by covered participants it is Daman Products Company, Inc. 401(k) and Profit Sharing Plan in IN (139 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (139 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Degolyer and Macnaughton Employees' Savings Plan assets move in 2023? ▼
Degolyer and Macnaughton Employees' Savings Plan grew at a solid clip - up 7.6% during 2023, from $103M to $110M. Reported net income was $8M.
How have D & M Holding Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), D & M Holding Inc.'s sponsor-wide assets grew 16.1%, from $103M to $119M.
Where does Degolyer and Macnaughton Employees' Savings Plan rank by assets among Form 5500 filers? ▼
Degolyer and Macnaughton Employees' Savings Plan ranks in the 92nd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Degolyer and Macnaughton Employees' Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Jackson Thornton & Co., P.C. 401(k) Plan in AL ($110M, 199 participants).
Which 401(k) plans cover a similar participant headcount to Degolyer and Macnaughton Employees' Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Daman Products Company, Inc. 401(k) and Profit Sharing Plan in IN (139 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 750771709.

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.