Outside the major cities, most goods are sold in small shops or open-air markets. Most large enterprises are controlled by the state. Privately owned shops for trade and services are typically small. Textile industries are located in Esfahan and Shiraz. Kereman is known for production and distribution of fine carpets. Hamadan is an important trade center for agricultural products from the surrounding areas.
In summer, offices open as early as 7 AM and close at about 1 PM ; during the rest of the year the hours are 8 AM until 4 PM , with a rest period in the middle of the day. Since Friday is the official holiday, many establishments close early on Thursday afternoon. Banking hours in summer are 7:30 AM to 1 PM and 5 to 7 PM , Saturday–Wednesday, and 7:30 to 11:30 AM on Thursday; winter opening times are 30 minutes to an hour later.