Knowledge Really Does Matter. For over thirty years Dianne Perry & Company has put experience and knowledge to work in the Wilmington community. It is precisely this knowledge in residential real estate sales, investment and rental property sales, full-service property management and community management that sets us apart from our competition. We know the industry, and we have the insight and energy to turn your real estate vision into reality. As a family-owned and operated company, we treat all of our clients and their businesses with the same care we would our own. Getting to know our clients is our solution to successfully meeting all of your needs.