In turn, Castillo gained the trust of major international companies and has been granted exclusive agencies for the Kuwaiti market and the markets of the Arabian Gulf region, including the countries:

South Korea - Japan - Turkey - India - Egypt - United States of America (see agencies section)

Castello was keen to develop a work strategy with clear goals and specific time to implement their work programs in the Kuwaiti market and the region’s markets, after conducting extensive studies of the market’s needs and outputs. From this standpoint, work teams were formed to study the market needs and the needs of international companies in the Kuwaiti market and facilitate their work, to find a suitable ground for investment in the areas for which the necessary licenses have been issued by the Kuwaiti Ministry of Commerce, for the following activities:

• Buying and selling oil and its derivatives outside the State of Kuwait.
• Commission agent.
• Excavation and demolition contracting, groundwater extraction, foundation digging, pile installation, and marine contracting.
• Contracting of roads, sewers, bridges and construction materials.
• General contracting for construction and real estate materials and equipment, insulating materials contracting, and installation of stone, marble, and cassette.
• Trade in iron and iron pipes and sell ready-made pipes and their accessories.
• Importing medicines and medical supplies and trading in all equipment, supplies, medical drugs and pharmaceutical preparations.
• Central markets for non-food items, and general trade in foodstuffs
• Coal
• Trade in coffee, nuts, spices, honey and its supplies, and fish trade