SEMSA
Private companyWARN notices since 2024
1
First: Oct 31, 2025
Workers affected since 2024
181
Across 1 notice
Executive changes, last 12 months
0
0 appointments, 0 departures
Last event
Oct 31, 2025
Plant closurePlant closure: CA
Workers affected over time
Cumulative workers in WARN notices since 2024
Not enough notices to chart yet.
Leadership
No executive changes on record.
layoffs from Dec 31, 2025
Plant closurePlant closure: CA
SEMSA/Riggs Ambulance Service filed a WARN notice with the California WARN list on Oct 31, 2025 covering 181 workers. The site closes on Dec 31, 2025.
Source: California WARN list, filed Oct 31, 2025Site: CA
Workers affected: 181
Only one public record so far. We add events as soon as a new filing lands; watch SEMSA to get them in your digest.
Last verified Nov 8, 2026