Westlake Management Services 401(k) match, vesting and fees

Plan year 2024 filingWestlake Savings Plan · Plan 004 · EIN 76-0321065Updated Oct 2026

What Westlake Management Services' 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $94M in employer contributions, about $6,788 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$146,122
Average account balance
14,231
Participants (end of year)
$2B
Plan assets (end of year)
0.09%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperThe Vanguard Group, Inc.Schedule C ↗
Independent auditorHam, Langston & Brezina, L.L.P. (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2024 medians for 203 defined-contribution plans in manufacturing with 10,000 to 49,999 participants.

Westlake Management Services: employer contribution per participant$6,788
Peer median$3,733
Westlake Management Services: average balance$146,122
Peer median$157,962
Westlake Management Services: admin expenses ÷ assets0.09%
Peer median0.05%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $1.8B at the end of plan year 2023 to $2B at the end of plan year 2024.

$1.8B2023$2B2024
End-of-year figures from each plan year's Form 5500 filing for the Westlake Management Services plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
202414,231$2B$94M$6,7880.09%Not publishedForm 5500 ↗
202314,029$1.8B$91.9M$6,7260.09%Not publishedForm 5500 ↗

Other Westlake Management Services plans (1)

Each plan files its own Form 5500. Figures are from each plan's latest filing.

Westlake Defined Benefit Plan

Plan 001 · EIN 76-0321065 · plan year 2024 filing
$129,028
Average account balance
3,234
Participants (end of year)
$417M
Plan assets (end of year)
0.90%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

Independent auditorHam, Langston & Brezina, LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · ActiveForm 5500 ↗

Common questions

Does Westlake Management Services match 401(k) contributions?

The match terms for the Westlake Savings Plan have not been published from its filing yet. The plan year 2024 filing reports $94M in employer contributions, about $6,788 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Westlake Management Services 401(k) match vested?

The vesting schedule for the Westlake Savings Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Westlake Management Services 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is The Vanguard Group, Inc.. The plan administrator is Westlake Management Services, Inc..

I left Westlake Management Services. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Westlake Management Services, Inc., (713) 585-7928) or the recordkeeper, The Vanguard Group, Inc.. The Westlake Management Services old 401(k) page lists the contacts from every plan filing. Find an old Westlake Management Services 401(k)

Data from the public Form 5500 annual reports Westlake Management Services filed with the U.S. Department of Labor (plan years 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Westlake Management Services. Not financial advice. Report a correction · Methodology