Related Clues:

• Steady application - to manufacturing?
• Domain ruled by an emperor or empress
• Commercial enterprise
• Group of countries under a single authority
• The manufacture or production of goods
• Commercial or manufacturing enterprise
• Commercial, manufacturing enterprise
• Group of countries under single authority
• Large group of states
• Group of countries ruled by single supreme authority
• Commercial enterprise, the making of goods, say
• Over which 23 down rules
• Manufacturing enterprises
• The Romans, Byzantines and Russians all ruled one
• Give 'em a lot of land to get ripe