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
58
Vendor & structure
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for CORNERSTONE PLUMBING, INC.
Plan sponsor
Name
CORNERSTONE PLUMBING, INC
EIN
82-1943688
Address
16550 290TH ST · TREYNOR, IA · 51575
Phone
(888) 576-5525
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
2025-09-24
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Auditor
—
Trustee / custodian
Service providers (Schedule C)
Small plans don't disclose service providers
Related plans
Similar-size Plumbing, Heating, AC Contractors plans
