401(k) · DOL Form 5500 · 2023

Western Oilfields Supply Company 401(k) Plan

Data updated 2026-08-11

$188M
Total assets: 1,488
Participants: 94th
Percentile by assets: $126,295
Avg per participant

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.

94th percentile by assets (of 127,072 plans)
#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.

$188M
total plan assets (2023 EOY): 1,488
covered participants: 94th
percentile by assets (of 127,072 plans): $126,295
avg assets per participant

Where Western Oilfields Supply Company 401(k)/Profit Sharing Plan sits 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

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 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 →

State

California

Industry

Utilities

Participants vs California filers

In California, the average filing covers about 630 participants across 15,291 plans. Western Oilfields Supply Company 401(k)/Profit Sharing Plan reports 1,488 participants - 2.4x that state average ($188M EOY assets).

California filing particulars

Total Assets (Beginning of Year)	$157M
Net Assets (End of Year)	$188M
Net Income	$31M
Employer EIN	951362750
Plan Effective Date	1993-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Western Oilfields Supply Company)

Total plan assets by year, all Western Oilfields Supply Company plans on file

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

Wells Fargo & Company 401(k) Plan $51.8B · 193,919
Google LLC 401(k) Savings Plan $39.0B · 122,867
Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
Intel 401(k) Savings Plan $22.2B · 59,863
Apple 401(k) Plan $19.8B · 106,111

Compare Western Oilfields Supply Company 401(k)/… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Western Oilfields Supply Company 401(k)/Profit Sharing Plan by total assets, not by location.

Mack UAW 401(k) Plan (NC) $188M · 3,761
James G. Davis Construction Corporation Profit Sharing, Stock Ownership, and 401(k) Plan (MD) $188M · 420
Indivior Inc. Profit Sharing and 401(k) Plan (VA) $188M · 686
Clayco, Inc. 401(k) Profit Sharing Plan (IL) $188M · 1,702

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).

Next read for Western Oilfields Supply Company 401(k)/…

Filing takeaways

Ways to act on Western Oilfields Supply Company 401(k)/Profit Sharing Plan's numbers.

By total assets, Western Oilfields Supply Company 401(k)/Profit Sharing Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in California. Compare plans
Western Oilfields Supply Company's sponsor-wide assets have grown 37.7% since 2022 across 3 plan years on file. More Utilities plans

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.