The main industries in Houston are energy industry, especially Oil, aerospace, and biomedical research.
Houston is world's #1 center for oilfield equipment industry.
The largest employers in Houston are Memorial Hermann Healthcare with around 19,500 people,
Continental Airlines with around 16,000 people, The University of Texas with around 15,000 people, ExxonMobil
with around 13,000 people, and Shell Oil Company with around 13,000 people.
Average salary in Houston is higher than national average salary. For example Petroleum Engineer
earn around $100,000 per year. Mechanical Engineer earn around $69,000 per year.
Administrative Assistant earn around $36,000 per year. Average salary for Registered Nurse is
around $58,000 per year.