Original filing (PDF)20251008113231NAL0013598946001

MECHANICAL SYSTEM SERVICES LLC

Name: MECHANICAL SYSTEM SERVICES LLC — MECHANICALSYSTEMSERVICES 401(K) PLAN, Form 5500 (2024)
Creator: MECHANICAL SYSTEM SERVICES LLC

Form 5500-SF

FILING_RECEIVED

MECHANICALSYSTEMSERVICES 401(K) PLAN

401(k) retirement plan

Active participants

Accounts w/ balance

Plan assets (EOY)

$27K

Net assets (EOY)

$27K

Plan health score

Top-tier plan health

Directional indicator from public Form 5500 data — compliance & integrity, total plan cost, participant health and vendor stack, benchmarked against same-size peers. Not a fiduciary tool. Based on 70% of scoring inputs for this filing.

Compliance & integrity

100

Total plan cost

n/a

Plan health

Vendor & structure

100

Helping the score

Cost not scored — no comparable Schedule H expense data for this cohort.

Decision-maker contacts

One unlock reveals every key decision-maker — plan signer, CFO, HR & Benefits — with verified email + LinkedIn for MECHANICAL SYSTEM SERVICES LLC.

Plan sponsor

Name

MECHANICAL SYSTEM SERVICES LLC

EIN

20-8482084all filings

Address

S70 W23385 MILLBROOK CIRCLE · BIG BEND, WI · 53103

Phone

(262) 352-0555

Industry

Plumbing, Heating, AC Contractors· Constructionsee all

Plan administrator

Same as plan sponsor.

Plan characteristics

Plan number

001

Plan year

2024

Plan year begin

2024-01-01

Tax period

2024-12-31

Filed

2025-10-08

Pension benefit codes

2E · Profit-sharing

2F · ERISA section 404(c)

2J · 401(k) feature

2K · 401(m) arrangement

2G · Total participant-directed accounts

3D · Pre-approved plan (master / prototype / VS)

2T · Default investment account (QDIA)

2S · Automatic enrollment

Service providers (Schedule C)

Small plans don't disclose service providers

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