- Median wages (2012) - $24.98 hourly, $51,950 annual
- Employment (2010) - 14,000 employees
- Projected growth (2010-2020) -
Little or no change (-2% to 2%)
- Projected job openings (2010-2020) - 3,000
- Top industries (2010) - Mining, Quarrying, and Oil and Gas Extraction