Callan JMB Continues Longstanding Emergency Preparedness Support for the City of Chicago During Lollapalooza Weekend
Callan JMB Inc. successfully completed emergency preparedness support for the City of Chicago during the 2026 Lollapalooza weekend, which attracted approximately 460,000 attendees. The engagement continues the company's longstanding partnership with Chicago dating back to 2009, providing logistics, medical supply management, and emergency response capabilities during major public events.