Welcome To Apex Irrigation The Difference is in the Details We are a full service irrigation company located in Cincinnati, Ohio. We serve the Greater Cincinnati and Northern Kentucky areas including (Clermont County, Anderson, Blue Ash, Evendale, Fairfield, Glendale, Mason and West Chester). Let Apex irrigation Design a sprinkler system for you that will save you money and help keep your yard green. Our service was founded in 2006 by Justin Ryan; he has 15 years of experience in lawn and sprinker service and installation. Justin is Certified Landscape Irrigation Auditor (CLIA) and is a member of the EPA Water Sense program.