Exceptional sprinkler and irrigation programs. Yankton Irrigation and Custom Curbing Company Inc have served Yankton, Vermillion and the surrounding area since 1989. We provide experienced, professional installation and courteous customer service. Yankton Irrigation and Custom Curbing Company Inc offers the following: • Residential, commercial and industrial projects • Sprinkler irrigation systems • Concrete lawn edging • Rock gardens • Prompt quality service • Free estimates • Convenient payment options Please contact us today to schedule your personalized consultation.