Rosemont Exposition Services, Inc. — Ransomware Incident Claimed by INC Ransom
- Victim: Rosemont Exposition Services, Inc.
- Claimed by INC Ransom
- Date claimed: 2025-11-13
- Country: US
- Sector: Business Services
Rosemont Exposition Services, Inc. is an Illinois-based company that offers exhibitor show services. These include exhibit rentals, utilities, decorating services, catering, and area information. Formerly known as O'Hare Exposition Services, they primarily function as the full-service general contractor for all trade shows and events held at the Donald E. Stephens Convention Center located in Rose