401(k) · DOL Form 5500 · 2024
Westlake Management Services, Inc. 401(k) Plan
Data updated 2026-07-24
- $2.0B
- Total assets
- 10,707
- Participants
- 99th
- Percentile by assets
- $189,057
- Avg per participant
Official DOL plan name: Westlake Savings Plan · Sponsored by Westlake Management Services, Inc. · Texas · Manufacturing
$2.0B in assets, 10,707 participants
Westlake Management Services, Inc.'s Westlake Savings Plan reported $2.0B in total assets and 10,707 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.
- 99th percentile by assets (of 116,472 plans)
Coverage in Texas
Westlake Savings Plan covers 10,707 participants in Texas, 15x the typical Texas plan (state average ~704 per filing). Assets: $2.0B.
- $2.0B
- total plan assets (2024 EOY)
- 10,707
- covered participants
- 99th
- percentile by assets (of 116,472 plans)
- $189,057
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Westlake Savings Plan end-of-year assets rose from $1.8B in the plan year 2023 filing to $2.0B in the plan year 2024 filing.
- Westlake Savings Plan reported net income fell from $292M in the plan year 2023 filing to $252M in the plan year 2024 filing.
- Westlake Savings Plan reported participants rose from 10,546 in the plan year 2023 filing to 10,707 in the plan year 2024 filing.
Participants vs Texas filers
In Texas, the average filing covers about 704 participants across 9,718 plans. Westlake Savings Plan reports 10,707 participants - 15x that state average ($2.0B EOY assets).
Texas filing particulars
| Total Assets (Beginning of Year) | $1.8B |
|---|---|
| Net Assets (End of Year) | $2.0B |
| Net Income | $252M |
| Employer EIN | 760321065 |
| Plan Effective Date | 1987-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Westlake Management Services, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 10,778 | $1.9B |
| 2023 | 2 | 11,622 | $2.2B |
| 2024 | 2 | 11,688 | $2.4B |
Nearby 401(k) Plans in Texas
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Westlake Savings Plan vs. nearby 401(k) plans in Texas, assets vs. participants
- AT&T Retirement Savings Plan $43.1B · 109,889
- Exxonmobil Savings Plan $23.7B · 21,990
- Chevron Employee Savings Investment Plan $20.4B · 21,505
- Caterpillar 401(k) Savings Plan $18.8B · 43,873
- Southwest Airlines Co. Retirement Savings Plan $17.0B · 67,820
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Westlake Savings Plan by total assets, not by location.
- Autodesk 401(k) Plan (CA) $2.0B · 5,804
- Rai 401(k) Savings Plan (NC) $2.0B · 3,913
- Syngenta Corporation Investment Savings Plan (NC) $2.0B · 4,348
- Nisource Inc Retirement Savings Plan (IN) $2.0B · 7,619
Frequently Asked Questions
How did Westlake Savings Plan assets move in 2024? ▼
How have Westlake Management Services, Inc. plan assets changed over time? ▼
Where does Westlake Savings Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Westlake Savings Plan? ▼
Next read for Westlake Savings Plan
Filing takeaways
Ways to act on Westlake Savings Plan's numbers.
- By total assets, Westlake Savings Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Texas. Compare plans
- Westlake Management Services, Inc.'s sponsor-wide assets have grown 29.4% since 2022 across 3 plan years on file. More Manufacturing plans
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 760321065.
Read our methodology - how this data is sourced, computed, and verified.