Mike’s father Jerry started with Theisen Sprinkler Company in 1959 and was their first employee. Theisen was the #1 company through the 1960s & 1970s. Jerry opened his own company in 1980. Mike started working for him at age 13. Mike has over 40 years of service, repairs, installation of lawn sprinklers & landscape behind him. Learning this trade from an early age, we assure you professional, knowledgeable & quality service of the old days, with the new technology of today.