401(k) · DOL Form 5500 · 2022
Mainstream Engineering Corporation 401(k) Plan
Data updated 2026-08-25
- $11M
- Total assets Small plan by assets
- 124
- Participants Small participant base
- 67th
- Percentile by assets National rank
- $91,055
- Avg per participant Below avg balance/head
Official DOL plan name: Mainstream Engineering Corporation 401(k) Savings Plan · Sponsored by Mainstream Engineering Corporation · Florida · Manufacturing
$11M in assets, 124 participants
Mainstream Engineering Corporation's Mainstream Engineering Corporation 401(k) Savings Plan reported $11M in total assets and 124 participants in its 2022 DOL Form 5500 filing, ranking in the 67th 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.
- #11,382 in Manufacturing (20,602 peers)
Coverage in Florida
Mainstream Engineering Corporation 401(k) Savings Plan covers 124 participants in Florida, about 20% of the average Florida filer (state average ~628 per filing). Assets: $11M.
- #11,382
- in Manufacturing (20,602 peers)
- -17.4%
- assets change YoY
The plan reported a net loss of $2M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Mainstream Engineering Corporation 401(k) Savings Plan's outsized position by total assets
Mainstream Engineering Corporation 401(k) Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$11,290,786 Top 33% higher than 67% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Mainstream Engineering Corporation 401(k) Savings Plan among mid-size filed plans by headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mainstream Engineering Corporation 401(k) Savings Plan sits mid-pack in the medium band (124 participants).
Form 5500 schedule snapshot
Filing strip 592744408 · Mainstream Engineering Corporation PY 2022 · 401(k)
Mainstream Engineering Corporation 401(k) Savings Plan · $11M · 124 · 67th
- RANK $11M
- RANK 124
- RANK 67th
- RANK 401(k)
- RANK near Adelman Travel Systems, Inc. Profit Sharing 401(k) Plan
- RANK ind #11382
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 Manufacturing retirement plans → · Plans in Florida →
Mainstream Engineering Corporation 401(k) Savings Plan in the asset neighbourhood
Florida filing particulars
| Total Assets (Beginning of Year) | $14M |
|---|---|
| Net Assets (End of Year) | $11M |
| Net Income | -$2M |
| Employer EIN | 592744408 |
| Plan Effective Date | 1994-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Mainstream Engineering Corporation)
Sponsor-wide plan assets over time
All Mainstream Engineering Corporation plans reported in each filing year
- Latest sponsor-wide plan assets
- $16M 45.33470034769944% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 124 | $11M |
| 2023 | 1 | 122 | $14M |
| 2024 | 1 | 153 | $16M |
Nearby 401(k) Plans in Florida
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- L3harris Retirement Savings Plan $12.9B · 41,096
- Savings Plan for Employees and Partners of Pricewatercoopers LLP $9.1B · 50,354
- Adp Totalsource Retirement Savings Plan $6.7B · 287,453
- Publix Super Markets, Inc. 401(k) Smart Plan $6.1B · 176,752
- Nextera Energy, Inc. Employee Retirement Savings Plan $5.4B · 14,889
Mainstream Engineering Corporation 401(k) Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside Florida, the nearest 401(k) by assets is Adelman Travel Systems, Inc. Profit Sharing 401(k) Plan in WI ($11M); by covered participants it is Mp Biomedicals, Inc. Retirement Savings Plan in CA (124 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($11M here).
- Adelman Travel Systems, Inc. Profit Sharing 401(k) Plan (WI) $11M · 152
- Marsden Retirement Savings Plan (MN) $11M · 6,196
- Payfone 401(k) Profit Sharing Plan (NY) $11M · 232
- Common Cause Education Fund 401(k) Retirement Plan (DC) $11M · 110
Similar participant headcount
Nearest other-state filings by covered participants (124 participants); asset peers above are excluded.
- Mp Biomedicals, Inc. Retirement Savings Plan (CA) 124 · 0 off
- Vitex Extrusion, LLC 401(k) Plan (NH) 124 · 0 off
- R. P. Marzilli Retirement Plan (MA) 124 · 0 off
- Dynalec Corporation Profit Sharing 401(k) Plan (NY) 124 · 0 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.