Complex sentence: Emerson is one of the largest engineering and conglomerate companies in the world which has a workforce of approximately 138,000 employees worldwide as of 2007 with a global presence spanning 150 countries.
Split into simpler sentences: Emerson is one of the largest engineering and conglomerate companies in the world. As of 2007, it has a workforce of approximately 138,000 employees worldwide with a global presence spanning 150 countries.