When it came time to embark on a third career, retired U.S. Navy and commercial airline pilot Tom Wirtzfeld sought an occupation that was recession-resistant and kept him close to home for a change.His startup onsite services company, Advanced Septic Solutions, in Northfield, Minnesota, accomplished those goals and has been a rewarding business ownership experience. In just over a decade, Wirtzfeld has had an impact on the advancing decentralized wastewater industry, built up a company that rewards his loyal employees and helped many customers along the way.Wirtzfeld had flown patrol aircraft for the U.S. Navy and completed 25 years as


















