Ontario agri-business mutual insurer to leverage Guidewire to enable digital transformation, deliver service excellence, and accelerate product launches LISTOWEL, Ontario, & SAN MATEO, Calif.--(BUSINESS WIRE)--$GWRE #cloud--Trillium Mutual Insurance Company, an agri-business mutual insurer based out of Listowel, Ontario, and Guidewire Software, Inc. (NYSE: GWRE), the platform P&C insurers trust to engage, innovate, and grow efficiently, today announced that Trillium Mutual has selected Guidewire…