Complex sentence: PMCL once operated inter-terminal bus service at Toronto Pearson International Airport and a school bus operator the Greater Toronto Area and intercity bus service from the Penetanguishene, Midland and Barrie area to Toronto.
Split into simpler sentences: PMCL once operated inter-terminal bus service at Toronto Pearson International Airport and was a school bus operator in the Greater Toronto Area. PMCL held intercity bus licensing to service the Penetanguishene, Midland and Barrie area to Toronto.