White Spring Holdings

White Spring Holdings (ホワイトスプリングホールディングス) is a company which owns many convenience stores and import supermarkets.

Background
Not much is known about White Spring, other than the fact it owns many convenience stores and imported goods supermarkets. Shirai Kuroko is apparently connected in some way to the company.

One of the company's properties is the White Springs Shopping Center (ショッピングセンター・ホワイトスプリング) in Academy City, a well-known mall described as like a department store and supermarket fused together, allowing one to buy anything from food to a wedding ring.