Port of Spain a shopping and business centre for much of the country. Most government offices are also located in the city and many important government services can only be accessed in the Ministry offices located downtown. Within recent years, local banks headquartered here have helped it become a financial centre for the Caribbean and Central America region. Two of the largest banks in the Caribbean, Republic Bank, Trinidad and Tobago Limited and Royal Bank of Trinidad and Tobago (RBTT, reacquired by the Royal Bank in 2008) are headquartered here or base their Caribbean operations in the city. Trinidad's economy is based on
Port of Spain in 2000 to a total daily production of 75 m.g.d. Another important facility, the new Beetham Waste Water Treatment Plant, began to treat domestic waste to international standards in 2004. The plant serves customers within Greater Port-of Spain and environs from Pt. Cumana in the west to Mt. Hope in the east including Diego Martin and Maraval. Most solid waste is disposed of in the Beetham Landfill, commonly known as "La Basse". Port of Spain is twinned or is a sister city with the following cities: Port of Spain Port of Spain, officially the City of Port of Spain (also