Form 5500 · Employee benefit plan · MADISON, WI
OAKBROOK CORPORATION
OAKBROOK CORPORATION's employee benefit plan is documented in its annual Form 5500 filing with the Department of Labor. Its broker of record is M3 INSURANCE SOLUTIONS INC.. Coverage is written through DEAN HEALTH PLAN and 3 other carriers. The plan's most recent policy period ended in December.
Sourced from U.S. DOL EFAST2 Form 5500 · EIN 39-1591030 · plan 501 · as of Jul 2026
Schedule A insurance contracts
| Carrier | Benefits | Covered | Renews | Commission |
|---|---|---|---|---|
| DEAN HEALTH PLAN | Health | 120 | December | $23,904 |
| THE GUARDIAN LIFE INSURANCE COMPANY OF AMERICA | Life, Disability | 196 | December | $18,033 |
| DELTA DENTAL OF WISCONSIN | Dental | 127 | December | $11,297 |
| WYSSTA INSURANCE COMPANY INC | Vision | 104 | December | $1,351 |
Questions
Who is OAKBROOK CORPORATION's benefits broker?
Per its most recent Form 5500 Schedule A, OAKBROOK CORPORATION's broker of record is M3 INSURANCE SOLUTIONS INC..
What insurance carrier does OAKBROOK CORPORATION use?
OAKBROOK CORPORATION's benefit plan is written through DEAN HEALTH PLAN, among 4 disclosed carriers.
When does OAKBROOK CORPORATION's group plan renew?
The most recent Schedule A policy period for OAKBROOK CORPORATION ended in December. Group plans typically renew on the same annual cycle.
Where does this data come from?
All figures are drawn from OAKBROOK CORPORATION's public Form 5500 filing with the U.S. Department of Labor (EFAST2). Form 5500 is a public record.