Who should I contact to check the condition of the pipelines

Good afternoon. Where exactly do you live? I can give you contact information for a company in Toronto. Here is their web page pomplumbing.ca/riser-and-zone-valves-replacement/. They have been doing all types of plumbing work for a very long time. They can not only fix the breakdown, but also completely help with replacing old plumbing fixtures with new ones. I develop drawings, replace zone valves and a sewer riser. In general, depending on the problem, they quickly determine what the cause is and also quickly eliminate it.