Use the Google keyword tool and type in the name of your product or service. For example, if you are a plumber, type in "Plumber". Google will then list all of the words (aka keywords) that people type in to find a service like yours. You might see common variations like "Plumbing Expert", "Plumber Services" or "Pipe Plumber".
Do not ignore an out of service toilet if you have a business as if this problem persist you may end up moving your business at a different place. Such out of service look unprofessional and sloppy at the same time. This may really affect your business.
In order to summarise, the best plumbers to call out to repair your condition will be the plumbers who are able to get to you the quickest, provide you with a reasonable cost and have the expertise to carry out the job and complete it correctly. Everything else is actually not local plumber worth the work.
If you still are not lucky in finding a good local plumber, contact your local plumbing store, they can help you in recommending a reliable and Trustworthy plumber in your area as they deal with them every day.
Your septic tank has to be emptied sometimes, and there's no easy answer to when it should be done. It depends on the size of the tank and the (sorry to mention it) consistency of the stuff going into it. Basically, if the septic tank isn't pumped out regularly, it will cause you thousands of dollars worth of problems. Ask your Local plumber for advice on your septic tank maintenance.
Watch what you put in your drain. Many commercial cleaners and solvents contain harsh chemicals that can damage your septic system. Always use an EPA-approved green drain cleaner. Be careful never to put grease, fat, or oils into your garbage disposal.
Now that you know the top ways to find a plumber fast when you need them for a plumber repair emergency; you are better prepared in case any plumbing problem should happen.