Destination Maternity Corporation is the worlds largest designer and retailer of maternity apparel. It is based in Moorestown New Jersey. Destination Maternity Corporation is the worlds largest designer and retailer of maternity apparel.Destination Maternity Corporation is the worlds largest designer and retailer of maternity apparel. It is based in Moorestown New Jersey. Destination Maternity Corporation is the worlds largest designer and retailer of maternity apparel.