# Alcan Corporation C/O Rio Tinto: Health and welfare plan, 3,058 participants (South Jordan, UT)

**Score:** 60/100

| Field | Value |
|---|---|
| Employer (plan sponsor) | Alcan Corporation C/O Rio Tinto |
| EIN | 412098316 |
| Plan | Rio Tinto Alcan Welfare Benefits Plan For Retirees |
| Plan type | Health and welfare |
| Trigger | Plan with 100+ participants |
| Participants | 3058 |
| Industry | Manufacturing |
| Location | South Jordan, UT |
| Plan effective | 2011-01-01 |
| Plan year | 2025 |
| Filed | 2026-10-14 |

## Why this score
- Filed in the last 30 days.
- 3058 participants.

Source: U.S. Department of Labor EBSA Form 5500 filings (current plan-year dataset) (https://www.efast.dol.gov/5500search/). Last refreshed: 2026-11-04T01:39:03.295Z.
From public Form 5500 filings released by the U.S. Department of Labor. Employer and plan level only: we never list signers, contacts or participants. A final filing can mean a termination, merger or transfer; read the filing on EFAST.