Advertising on buses, which includes both interior and exterior signs, complete bus paints, and full or partial bus wraps is contracted to:

Lamar Advertising 103-252 Pall Mall Street London ON N6A 5P6

Further information on space availability and costs can be obtained by contacting their office at the above address or by phone at 519-434-6086.

https://www.londontransit.ca/advertise-with-us/

It would be a shame if people started bothering them constantly with complaints about these ads.