Sponsor portfolio
C & O MANAGEMENT COMPANY, INC. DBA WILLIAMSON MANAGEMENT, INC.
EIN 36-4248939Real Estate and Rental and LeasingLatest filing 2025
Plans
1
Retirement
1
$948K assets
Welfare
0
Participants
22
215 WILLIAM STREET - BENSENVILLE, IL 60106630-787-0305
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 | WILLIAMSON MANAGEMENT 401(K) PLAN | 401k | $948K | 22 | 2025 |
Retirement plans