AjMadison | 4,766 followers on LinkedIn. Your Appliance Experts | Founded in 2001 and based in Brooklyn, New York, AJ Madison is the premier destination for learning, finding and buying appliances for your home — online or from a mobile phone. Whether for a house, an apartment, or an apartment building, we offer a wide selection of appliances for any style or need. With world class customer service and a building full of appliance experts, AJ Madison is the best place for customers to find exactly what they need, every single day.