When I need to call a Austin plumbers, I always try to choose these full-service plumbing companies rather than calling a company that only does one specific service, such as clearing drains.
Not to businesses like that don't do a great job at the one niche service that they offer – that's the point of having such a laser focused, that you can do the best job possible at the one thing you of chosen to concentrate on.
However, for my preferences, I like to deal with one company for all of my plumbing needs. There is one simple reason for this – trust. Yes, once I find a vendor that I know I can trust to work on my property, I like to do as much business with them as possible. It saves having to go through that unpleasant vetting period that one always has to undergo with any new contractor.
No, for my money – even if it costs a little more – I would rather have one trusted plumber that I can call to clear out my drains, replaced pipes, fix leaks, and do any other kind of plumbing work I might need.