Stop & Shop/Giant-Landover was a combined supermarket chain owned by the American subsidiary of the Dutch retailer Ahold. The company took its form in 2004, after Ahold decided to combine the operations of its New England-based Stop & Shop chain with its DMV-based Giant Food chain to create the largest supermarket company in the Mid-Atlantic States. Giant's headquarters relocated in Landover, Maryland and Stop & Shop kept their headquarters in Quincy, Massachusetts. This combination failed, as Mid-Atlantic market area shoppers grocery needs did not align with those of Stop & Shop's offerings. In 2011 the two company's were separated and now operate as independent companies. The separation of Stop & Shop/Giant-Landover, also brought the separation of the Stop & Shop Supermarket into two sep