Mastec 401(k) match, vesting and fees

Plan year 2024 filingThe Mastec, Inc. 401(k) Retirement Plan · Plan 002 · EIN 65-0829355Updated Oct 2026

What Mastec's 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 $35.4M in employer contributions, about $2,559 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$53,122
Average account balance
28,413
Participants (end of year)
$736M
Plan assets (end of year)
0.17%
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.

RecordkeeperMerrill Lynch, Pierce, Fenner and SSchedule C ↗
Independent auditorBdo USA, P.C (unmodified opinion)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗
Late participant contributionsReported on the filingSchedule H ↗

How the plan compares

Plan year 2024 medians for 63 defined-contribution plans in construction with 10,000 to 49,999 participants.

Mastec: employer contribution per participant$2,559
Peer median$3,136
Mastec: average balance$53,122
Peer median$54,024
Mastec: admin expenses ÷ assets0.17%
Peer median0.20%

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 $592M at the end of plan year 2023 to $736M at the end of plan year 2024.

$592M2023$736M2024
End-of-year figures from each plan year's Form 5500 filing for the Mastec plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
202428,413$736M$35.4M$2,5590.17%Not publishedForm 5500 ↗
202328,293$592M$36.4M$2,6250.21%Not publishedForm 5500 ↗

Common questions

Does Mastec match 401(k) contributions?

The match terms for the The Mastec, Inc. 401(k) Retirement Plan have not been published from its filing yet. The plan year 2024 filing reports $35.4M in employer contributions, about $2,559 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Mastec 401(k) match vested?

The vesting schedule for the The Mastec, Inc. 401(k) Retirement Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Mastec 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Merrill Lynch, Pierce, Fenner and S. The plan administrator is Mastec, Inc..

I left Mastec. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Mastec, Inc., (305) 599-1800) or the recordkeeper, Merrill Lynch, Pierce, Fenner and S. The Mastec old 401(k) page lists the contacts from every plan filing. Find an old Mastec 401(k)

Data from the public Form 5500 annual reports Mastec 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 Mastec. Not financial advice. Report a correction · Methodology