Have the most trusted professionals complete your sump pump maintenance this year. Not all service companies are familiar with your sump pump the way you would hope they are. This could be for a number of reasons. At Upstream Pump Service, we specialize in pump systems to give you peace of mind after we're done. Over 15 years experience in servicing throughout Vancouver and the lower mainland. Troubleshooting, replacements, upgrades, and maintenance on all makes and models of pump systems and control panels.