I found them on a radio station on a call in show for home improvements. They called within half an hour. They told me what they offered and I told them to come by and take a look. They found the problem within an hour. There was a clog. They came back when they said they would and they did a wonderful job. They cleaned everything up and so there was no mess. They knew what they were doing. I absolutely would recommend them. They are wonderful to work with.