[malandrew]

Furthermore, the distribution of race is not equal across the US and very very few people move further than 500 miles away from where their parents lived. The racial makeup you should expect in a company (or geographically focused industry) should be approximate that of the state and neighboring states in which that company is located (or that industry is concentrated).

US Census Quick Facts Data Sheet by State: http://quickfacts.census.gov/qfd/index.html