MECHANICAL SYSTEMS SERVICES, CORP DBA YUKON MECHANICAL
Form 5500-SF
FILING_RECEIVED
MECHANICAL SYSTEMS SERVICES CORP 401(K)
401(k) retirement plan
Active participants
0
Accounts w/ balance
0
Plan assets (EOY)
$0
Net assets (EOY)
$0
Plan health score
100
/ 100
Grade A
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 50% of scoring inputs for this filing.
Compliance & integrity
100
Total plan cost
n/a
Plan health
n/a
Vendor & structure
100
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for MECHANICAL SYSTEMS SERVICES, CORP DBA YUKON MECHANICAL.
Plan sponsor
Name
MECHANICAL SYSTEMS SERVICES, CORP DBA YUKON MECHANICAL
EIN
33-0117560
Address
9394 GUM TREE DR · CORONA, CA · 92883
Phone
(951) 277-8200
Industry
Plumbing, Heating, AC Contractors· Constructionsee all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2025-01-01
Tax period
2025-10-15
Filed
2025-10-30
Pension benefit codes
2A · Age/service weighted or new comparability
2E · Profit-sharing
2J · 401(k) feature
2K · 401(m) arrangement
2F · ERISA section 404(c)
2G · Total participant-directed accounts
3D · Pre-approved plan (master / prototype / VS)
2T · Default investment account (QDIA)
Service providers (Schedule C)
Small plans don't disclose service providers
Related plans
Similar-size Plumbing, Heating, AC Contractors plans
