Welcome to... IPO Properties Thank you for welcoming IPO Properties into your home. We treat your home like our own and strive to always deliver a positive experience, Imagine Positive Outcomes What is included in Inspection? We offer many inspection service that can be tailored to your needs while following Internachi Standards of Practice Proudly serving Columbus, Ohio and the surrounding vicinity. INFORMATIONAL InterNACHI, the International Association of Certified Home Inspectors, is the world's largest organization of residential and commercial property inspectors. As a federally tax-exempt, 501(c)(6) non-profit, InterNACHI provides training, certification, and Continuing Education for its membership, including property inspectors, licensed real estate agents, and building contractors; and provides for its membership business training..