The rental and trading of real estate industry encompasses various activities including buying, selling, and renting properties such as houses, apartments, commercial buildings, and land. Companies in this industry can operate as real estate agents, developers, property managers, or real estate investors. They may focus on different types of real estate such as residential, commercial, office, retail, or industrial properties. The industry is often subject to fluctuations in the economy and the real estate market, and is dependent on factors such as interest rates, regulations, and demographic trends.