Welcome To Oshkosh Sanitary Sewer Service. We are a family owned and operated business, and have been Proudly serving the Community since 1948! You can rely on Gary for the following services & more! ~ Sewer and sink line cleaning ~ Drain and sewer cleaning ~ Basement drains ~ Sink drains ~ Bathtub and shower drains ~ Laundry drains ~ Inlets for septic tanks ~ Sump pump lines