A commissary is a store for provisions which can include prepared foods for eating either on-premises or off-premises.
It is usually run within an organization such as a mining operation, a steel mill, a corporate center, or a government or military unit, and is usually primarily for the use of employees.
A U.S. military commissary offers food and household items sold at cost plus five percent surcharge, eliminating sales tax.
[7] During the commissary customer appreciation case lot sale, an average saving of 50 percent or more is available.
They also offer rewards cards that allow shoppers to add additional promotions, coupons, and discount savings.