The Muzo Companies extract, cut and market the highest quality emeralds from the legendary Muzo mine in Colombia in a socially responsible manner. The Muzo Companies' emerald mining operations at Muzo, Boyacá is known as MTC, cutting and polishing operations in Bogotá is known as CTT, and the market-facing brand for the gemstones is called Muzo Emerald Colombia. The Muzo Companies use safe and modern mining techniques, ethical and fair employment practices, and mine-to-market traceability for consumers around the world. Through innovation, ethical business practices and compassionate social programs, the Muzo Companies are working to source the best emeralds in the world, to give peace of mind to the consumers who crave them, and to help bolster the Colombian economy.