Sponsor portfolio
CORNERSTONE ONE LLC
EIN 20-0547879constructionLatest filing 2025
Plans
1
Retirement
1
$3.0M assets
Welfare
0
Participants
56
20865 ENTERPRISE AVE - BROOKFIELD, WI 530455209262-896-9006cstoneone.comLinkedIn51-200 employeesconstruction
Plans on this EIN
1 filingPlan deep-dives
Open the plan detail for the full per-plan analytics: fees vs peers, audit grade, asset trajectory, contribution flow, Schedule C providers, and more.Retirement plans1
| Plan # | Name | Type | Assets | Participants | Latest year | |
|---|---|---|---|---|---|---|
| 001 | SAFE-HARBOR 401(K) PROFIT SHARING PLAN FOR EMPLOYEES OF CORNERSTONE ONE LLC | 401k | $3.0M | 56 | 2025 |
Retirement plans