401(k) · DOL Form 5500 · 2023
Mastec, Inc. 401(k) Plan
Data updated 2026-08-25
- $592M
- Total assets Above avg plan size
- 24,657
- Participants Very large workforce
- 98th
- Percentile by assets National rank
- $23,994
- Avg per participant Low balance/head
Official DOL plan name: The Mastec, Inc. 401(k) Retirement Plan · Sponsored by Mastec, Inc. · Florida · Construction
$592M in assets, 24,657 participants
Mastec, Inc.'s The Mastec, Inc. 401(k) Retirement Plan reported $592M in total assets and 24,657 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.
- #8,817 in Construction (9,030 peers)
Coverage in Florida
The Mastec, Inc. 401(k) Retirement Plan covers 24,657 participants in Florida, 39x the typical Florida plan (state average ~628 per filing). Assets: $592M.
- #8,817
- in Construction (9,030 peers)
- +29.4%
- assets growth YoY
- 5.9×
- vs typical plan assets (national mean)
The Mastec, Inc. 401(k) Retirement Plan's outsized position by total assets
The Mastec, Inc. 401(k) Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2023 · DOL Form 5500
$591,619,444 Top 2% higher than 98% 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
The Mastec, Inc. 401(k) Retirement Plan's mega-plan peer group by participant headcount
Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. The Mastec, Inc. 401(k) Retirement Plan is a mega filing (24,657 participants), the rightmost band on the breakdown.
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- The Mastec, Inc. 401(k) Retirement Plan reported net income rose from $46M in the plan year 2022 filing to $134M in the plan year 2023 filing.
- The Mastec, Inc. 401(k) Retirement Plan end-of-year assets rose from $457M in the plan year 2022 filing to $592M in the plan year 2023 filing.
- The Mastec, Inc. 401(k) Retirement Plan reported participants rose from 19,241 in the plan year 2022 filing to 24,657 in the plan year 2023 filing.
Form 5500 schedule snapshot
Filing strip 650829355 · Mastec, Inc. PY 2023 · 401(k)
The Mastec, Inc. 401(k) Retirement Plan · $592M · 24,657 · 98th
- TYPE $592M
- NET 24,657
- BOOK 98th
- VS-ST 401(k)
- BOY near Nixon Peabody LLP Retirement Savings Plan I
- SCH ind #8817
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 Construction retirement plans → · Plans in Florida →
The Mastec, Inc. 401(k) Retirement Plan in the asset neighbourhood
Florida filing particulars
| Total Assets (Beginning of Year) | $457M |
|---|---|
| Net Assets (End of Year) | $592M |
| Net Income | $134M |
| Employer EIN | 650829355 |
| Plan Effective Date | 1984-12-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Mastec, Inc.)
Sponsor-wide plan assets over time
All Mastec, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $736M 60.97366934517524% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 19,241 | $457M |
| 2023 | 1 | 24,657 | $592M |
| 2024 | 1 | 23,928 | $736M |
Nearby 401(k) Plans in Florida
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- L3harris Retirement Savings Plan $15.4B · 40,665
- Savings Plan for Employees and Partners of Pwc $11.3B · 50,817
- Adp Totalsource Retirement Savings Plan $8.0B · 308,867
- Trinet 401(k) Plan $7.0B · 157,945
- Publix Super Markets, Inc. 401(k) Smart Plan $6.6B · 184,674
Scale composition for The Mastec, Inc. 401(k) Retirement Plan
The Mastec, Inc. 401(k) Retirement Plan reports $592M in end-of-year assets across 24,657 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.026% of 93,925,755 covered participants) - about $23,994 per participant (17% of the national average assets-per-participant) . Net income for plan year 2023 was $134M.
This plan identity (EIN 650829355, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $457M to $736M (+61.0%) while covered participants moved from 19,241 to 23,928 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 19,241 | $457M | Open filing |
| 2023 | 24,657 | $592M | This page |
| 2024 · index core | 23,928 | $736M | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- The Mastec, Inc. 401(k) Retirement Plan (401(k), $736M, 23,928 participants)
The Mastec, Inc. 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount
Outside Florida, the nearest 401(k) by assets is Nixon Peabody LLP Retirement Savings Plan I in NY ($592M); by covered participants it is Vegetation and Utility Services Employees 401(k) Savings Plan in PA (24,654 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($592M here).
- Nixon Peabody LLP Retirement Savings Plan I (NY) $592M · 572
- Northern California Pipe Trades Supplemental 401(k) Retirement Plan (CA) $592M · 2,556
- Getinge Group 401(k) Retirement Plan (NJ) $592M · 2,347
- Allied Universal 401(k) Plan (PA) $592M · 258,001
Similar participant headcount
Nearest other-state filings by covered participants (24,657 participants); asset peers above are excluded.
- Vegetation and Utility Services Employees 401(k) Savings Plan (PA) 24,654 · 3 off
- Signet Jewelers Retirement Savings Plan (OH) 24,679 · 22 off
- Cushman & Wakefield 401(k) Plan (MA) 24,702 · 45 off
- Nationwide Savings Plan (OH) 24,715 · 58 off
DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.