Pinnacol Assurance celebrates 111 years of protecting Colorado's workforce alongside the state's historic 150th anniversary

Marking 111 years on Colorado Day, Pinnacol honors its shared birthday with the Centennial State during Colorado's Sesquicentennial milestone. DENVER, July 31, 2026 /PRNewswire/ -- Pinnacol Assurance, Colorado's leading workers' compensation carrier, proudly celebrates its 111th...