Founders: Rudolph & Judith Grothouse In 1960 Rudy's Sewer Service was started when Rudy Grothouse purchased his first sewer machine. In approximately 1970, with the additional purchase of a septic tank pumper truck, the company name was changed to Delphos Sanitary Service. In 1983, the name changed again to Grothouse Plumbing & Heating with the additions of one of the sons coming into the business. Finally in 1986, Grothouse Plumbing & Heating, Inc, was formed with several family members working at the company making it a successful and growing business in Delphos Ohio.