Complex sentence: The company received import duty and real estate tax exemptions from the government, and controlled more land than any other individual or group, along with the sole rail road, the electricity producing capabilities, and the port facilities at Puerto Barrios on the Atlantic coast.
Split into simpler sentences: The company received import duty and real estate tax exemptions from the government and controlled more land than any other individual or group. It also controlled the sole railroad in the country, the sole facilities capable of producing electricity, and the port facilities at Puerto Barrios on the Atlantic coast.