401(k) · DOL Form 5500 · 2024
Bio-Serv Corporation 401(k) Plan
Data updated 2026-08-25
- $35M
- Total assets Below avg plan size
- 281
- Participants Below avg headcount
- 80th
- Percentile by assets National rank
- $126,215
- Avg per participant Near avg balance/head
Official DOL plan name: Bio-Serv Corporation Employees Retirement Savings Plan · Sponsored by Bio-Serv Corporation · Michigan · Administrative & Support Services
$35M in assets, 281 participants
Bio-Serv Corporation's Bio-Serv Corporation Employees Retirement Savings Plan reported $35M in total assets and 281 participants in its 2024 DOL Form 5500 filing, ranking in the 80th 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.
- #3,914 in Administrative & Support Services (4,368 peers)
Coverage in Michigan
Bio-Serv Corporation Employees Retirement Savings Plan covers 281 participants in Michigan, about 44% of the average Michigan filer (state average ~638 per filing). Assets: $35M.
- #3,914
- in Administrative & Support Services (4,368 peers)
- +8.7%
- assets growth YoY
- 0.4×
- vs typical plan assets (national mean)
Bio-Serv Corporation Employees Retirement Savings Plan's outsized position by total assets
Bio-Serv Corporation Employees Retirement Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$35,466,327 Top 20% higher than 80% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Bio-Serv Corporation Employees Retirement Savings Plan among mid-size filed plans by headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Bio-Serv Corporation Employees Retirement Savings Plan sits mid-pack in the medium band (281 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Bio-Serv Corporation Employees Retirement Savings Plan reported net income fell from $5M in the plan year 2023 filing to $3M in the plan year 2024 filing.
- Bio-Serv Corporation Employees Retirement Savings Plan end-of-year assets rose from $33M in the plan year 2023 filing to $35M in the plan year 2024 filing.
- Bio-Serv Corporation Employees Retirement Savings Plan reported participants rose from 273 in the plan year 2023 filing to 281 in the plan year 2024 filing.
DOL schedule card
Filing strip 381643006 · Bio-Serv Corporation PY 2024 · 401(k)
Bio-Serv Corporation Employees Retirement Savings Plan · $35M · 281 · 80th
- PCT $35M
- PCT 281
- PCT 80th
- PCT 401(k)
- PCT near Anthony & Sylvan Pools 401(k) Plan
- PCT ind #3914
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 Administrative & Support Services retirement plans → · Plans in Michigan →
Bio-Serv Corporation Employees Retirement Savings Plan in the asset neighbourhood
Michigan filing particulars
| Total Assets (Beginning of Year) | $33M |
|---|---|
| Net Assets (End of Year) | $35M |
| Net Income | $3M |
| Employer EIN | 381643006 |
| Plan Effective Date | 1985-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Bio-Serv Corporation)
Sponsor-wide plan assets over time
All Bio-Serv Corporation plans reported in each filing year
- Latest sponsor-wide plan assets
- $35M 26.2775964438654% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 275 | $28M |
| 2023 | 1 | 273 | $33M |
| 2024 | 1 | 281 | $35M |
Nearby 401(k) Plans in Michigan
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- General Motors Retirement Savings Plan for Salaried Employees in the United States $23.1B · 43,053
- Ford Motor Co. Savings and Stock Investment Plan for Salaried Employees $17.3B · 31,790
- The Dow Chemical Company Employees' Savings Plan $10.8B · 17,128
- The General Motors Personal Savings Plan for Hourly-Rate Employees in the United States $9.6B · 42,513
- Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees $8.3B · 60,497
Bio-Serv Corporation Employees Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside Michigan, the nearest 401(k) by assets is Anthony & Sylvan Pools 401(k) Plan in PA ($35M); by covered participants it is Cleaveland/Price, Inc. 401(k) Plan in PA (281 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($35M here).
- Anthony & Sylvan Pools 401(k) Plan (PA) $35M · 474
- Ketel Thorstenson, LLP 401(k) Profit Sharing Plan (SD) $35M · 136
- Park Industries, Inc. 401(k) Plan (MN) $35M · 337
- Fms 401(k) Profit Sharing Plan and Trust (IL) $35M · 342
Similar participant headcount
Nearest other-state filings by covered participants (281 participants); asset peers above are excluded.
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.