401(k) · DOL Form 5500 · 2023

Western Oilfields Supply Company 401(k) Plan

Data updated 2026-08-25

$188M
Total assets Near avg plan size
1,488
Participants Near avg headcount
94th
Percentile by assets National rank
$126,295
Avg per participant Near avg balance/head
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Official DOL plan name: Western Oilfields Supply Company 401(k)/Profit Sharing Plan · Sponsored by Western Oilfields Supply Company · California · Utilities

$188M in assets, 1,488 participants

Western Oilfields Supply Company's Western Oilfields Supply Company 401(k)/Profit Sharing Plan reported $188M in total assets and 1,488 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.

  • #508 in Utilities (721 peers)

Coverage in California

Western Oilfields Supply Company 401(k)/Profit Sharing Plan covers 1,488 participants in California, 2.4x the typical California plan (state average ~630 per filing). Assets: $188M.

#508
in Utilities (721 peers)
+19.8%
assets growth YoY
1.9×
vs typical plan assets (national mean)

Western Oilfields Supply Company 401(k)/Profit Sharing Plan's outsized position by total assets

Western Oilfields Supply Company 401(k)/Profit Sharing Plan vs every filed plan by assets

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

$187,927,208 Top 6% higher than 94% 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

Western Oilfields Supply Company 401(k)/Profit Sharing Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Western Oilfields Supply Company 401(k)/Profit Sharing Plan lands in the large band (1,488 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Western Oilfields Supply Company 401(k)/Profit Sharing Plan reported net income rose from -$33M in the plan year 2022 filing to $31M in the plan year 2023 filing.
  • Western Oilfields Supply Company 401(k)/Profit Sharing Plan end-of-year assets rose from $157M in the plan year 2022 filing to $188M in the plan year 2023 filing.
  • Western Oilfields Supply Company 401(k)/Profit Sharing Plan reported participants rose from 1,414 in the plan year 2022 filing to 1,488 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 951362750 · Western Oilfields Supply Company PY 2023 · 401(k)

Western Oilfields Supply Company 401(k)/Profit Sharing Plan · $188M · 1,488 · 94th

  • TYPE $188M
  • NET 1,488
  • BOOK 94th
  • VS-ST 401(k)
  • BOY near Mack UAW 401(k) Plan
  • SCH ind #508

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 Utilities retirement plans → · Plans in California →

Western Oilfields Supply Company 401(k)/Profit Sharing Plan in the asset neighbourhood

Clayco, Inc. 401(k) Profit Sharing PlanClayco, Inc. 401(k) Profit S…$188MWestern Oilfields Supply Company 401(k)/Profit Sharing PlanWestern Oilfields Supply Com…$188MMack UAW 401(k) Plan$188MJames G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) PlanJames G. Davis Construction …$188MIndivior Inc. Profit Sharing and 401(k) PlanIndivior Inc. Profit Sharing…$188M
End-of-year total assets ($M) among Western Oilfields Supply Company 401(k)/Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$157M
Net Assets (End of Year)$188M
Net Income$31M
Employer EIN951362750
Plan Effective Date1993-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Western Oilfields Supply Company)

Sponsor-wide plan assets over time

All Western Oilfields Supply Company plans reported in each filing year

Latest sponsor-wide plan assets
$216M 37.734519416427595% vs 2022
2024 filing year
$140M$160M$180M$200M$220M$240M 202220232024 $157M $216M ▲ +37.7%
Year Plans Participants Total Assets
2022 1 1,414 $157M
2023 1 1,488 $188M
2024 1 1,516 $216M

Nearby 401(k) Plans in California

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

Western Oilfields Supply Company 401(k)/Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Western Oilfields Supply Company 401(k)/Profit Sharing Plan, Total assets ($B): 0.187927208 · Participants: 1488Western Oilfields Supply Company 401(k)/Profit Sharing PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Western Oilfields Supply Company 401(k)/Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Western Oilfields Supply Company 401(k)/Profit Sharing Plan side-by-side with 3 peers →

Western Oilfields Supply Company 401(k)/Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Mack UAW 401(k) Plan in NC ($188M); by covered participants it is Safebuilt 401(k) Plan in CO (1,488 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,488 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 Western Oilfields Supply Company 401(k)/Profit Sharing Plan assets move in 2023? ▼
Western Oilfields Supply Company 401(k)/Profit Sharing Plan grew sharply - up 19.8% during 2023, from $157M to $188M. Reported net income was $31M.
How have Western Oilfields Supply Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Western Oilfields Supply Company's sponsor-wide assets grew 37.7%, from $157M to $216M.
Where does Western Oilfields Supply Company 401(k)/Profit Sharing Plan rank by assets among Form 5500 filers? ▼
Western Oilfields Supply Company 401(k)/Profit Sharing Plan ranks in the 94th 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 Western Oilfields Supply Company 401(k)/Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Mack UAW 401(k) Plan in NC ($188M, 3,761 participants).
Which 401(k) plans cover a similar participant headcount to Western Oilfields Supply Company 401(k)/Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Safebuilt 401(k) Plan in CO (1,488 participants, $75M 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 951362750.

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.