Parkway Services Has Been Family Owned And Operated Since 1968.. Residential and Commercial Septic Tank Cleaning With No Travel Charges. Septic Tank Treatment,Drainfields Repaired And Installed,Septic System Inspections Portable Toilet Rental by the Day,Week or Month. Free Pick-Up and Delivery. We Have New Units For All Events. Flushable Toilets are available. Portable Sinks are also Available for Rental. We Service all of Wayne,Oakland,Washtenaw,Monroe and Livingston Counties. We would be happy to give you a Free Estimate. Visit our Website for further informattion.