Form 5500 · Employee benefit plan · MERRILLVILLE, IN
NISOURCE INC.
NISOURCE INC.'s employee benefit plan is documented in its annual Form 5500 filing with the Department of Labor. Coverage is written through HIGHMARK INC.. The plan's most recent policy period ended in December.
Sourced from U.S. DOL EFAST2 Form 5500 · EIN 35-2108964 · plan 538 · as of Jul 2026
Participants
3,828
Carriers on file
1
Disclosed commissions
$0
Renewal month
December
Schedule A insurance contracts
| Carrier | Benefits | Covered | Renews | Commission |
|---|---|---|---|---|
| HIGHMARK INC. | Health, Dental | 9 | December | $0 |
Questions
What insurance carrier does NISOURCE INC. use?
NISOURCE INC.'s benefit plan is written through HIGHMARK INC..
When does NISOURCE INC.'s group plan renew?
The most recent Schedule A policy period for NISOURCE INC. ended in December. Group plans typically renew on the same annual cycle.
Where does this data come from?
All figures are drawn from NISOURCE INC.'s public Form 5500 filing with the U.S. Department of Labor (EFAST2). Form 5500 is a public record.