Thielen Turf Irrigation, Inc. We handle both Residential and Commerical Installation. Our other services include: -Startup and Draining -Underground Fence -Service and Repair -A Full Retail Store Established in 1960. We are the number one in Residential Irrigation Contracting within 60 miles of Mt Pleasant We welcome you to our site and encourage you to visit each page to learn more about us and all we have done with our 50+ years of experience that qualifies us to be your next irrigation system provider. With irrigation systems installed at over 190 golf courses throughout Michigan, Indiana and Ohio, Thielen Turf Irrigation, Inc. is the leader in this industry and looks forward to helping you with your next golf course irrigation project. MISSION STATEMENT Thielen Turf Irrigation, Inc. is in business to offer the finest installation and service of underground sprinkler systems for Residential, Commercial, and Golf Courses. Consistently selling, installing, and servicing the highest quality irrigation systems in a timely and efficient manner achieves our mission.