Everyone understands the importance of economic diversification. To that end, Bigelow Aerospace is a name you might soon be hearing a lot more of. On its 50 acres in North Las Vegas, the company is building expandable modules that will slash the costs of space habitats. With companies such as California’s SpaceX lowering launch costs, this company has a real shot at staking a claim to the space tourism market. BigelowAerospace.com.