Brothers Landscaping LTD

My neighbors hired these guys for snow removal. As they were clearing my neighbors sidewalk they dumped the snow on my portion of the sidewalk that I am responsible for clearing. By the time I had noticed this there was a significant pile of snow deposited on my section of the sidewalk. I went to go talk to them and asked them to deposit the snow on the strip between the road and the sidewalk (which is what everyone else in the neighborhood does) and remove the pile they had created on my portion of the sidewalk. The worker became argumentative and combative, ignored my request and ended up driving off shortly after. I tried to call, message, and email the company to resolve the issue. All to no avail. One thing to note is it is illegal to remove snow and place it on someone else's propert