Complex sentence: In 1912 Pearson founded the Eagle Oil Transport Company in the UK to carry Mexican Eagle's products and the Anglo-Mexican Petroleum Company in the UK to sell Mexican Eagle's products outside Mexico.
Split into simpler sentences: In 1912 Pearson founded the Eagle Oil Transport Company in the UK to carry Mexican Eagle's products. In the same year he founded the Anglo-Mexican Petroleum Company in the UK to sell Mexican Eagle's products outside Mexico.