Seiyo Food has two core operations, restaurants and processed food items.
Food products represent the preparation and sale of pancakes and other products.
The company also provides technical support. Diversification is taking the company into sales of hardware items for the home, miscellaneous household items, furniture and related items. Maruetsu operates supermarkets in the Tokyo area. Perishable items are a large share of sales, along with other groceries, household items and apparel. The company is working hard at implementing recycling programs.