Best Drains Technicians in Boston MA

I called for a neighbor whose main drain clogged on the last day of the year. They sent over a technician who didn't know how to open the main drain pipe...and said they'd send someone more expert two days later!
A total contrast to prior experiences, which is why I nonetheless gave 2* - but for this visit, not even deserving of one.

Professional and honest! We contacted them because our sink disposal was not working. He could have easily charged us and sent someone over, but walked us through a common troubleshooting process that we were able to do ourselves. We will use definitely be using this company again. Thank you very much.