Sale of construction materials
Sale of residential equipment
Contracting, planning, design, construction, and supervision of construction works
Construction consulting services
Sale of household electrical appliances, hardware, and daily necessities
Wholesale and retail of textile products
Sale and installation of commercial refrigeration, air-conditioning equipment, and kitchen appliances
Processing, manufacturing, and sale of timber
Sale of electrical insulation materials, industrial electrical equipment, and heat-resistant materials
Home care support, home nursing, and short-term residential care services under the Long-Term Care Insurance Act
Gas station and vehicle maintenance
Maintenance and management of sewage treatment facilities
Food and beverage business
Real estate sales, leasing, brokerage, and management
Insurance agency for property and casualty insurance
Intermediation or brokerage of contracts related to home warranty insurance
Labor dispatch services
Development, sale, maintenance, operation of software and hardware, and IT consulting services
Collection, transportation, and disposal of industrial waste
General freight automobile transportation business