2009 revenue: $6.6 million
Cargas Systems builds software for businesses, specifically those in the energy industry.
It's a good sign when employees are eager to invest in their company, and at Cargas Systems, 95 percent of employees have dug their own money into company stock. After all, why wouldn't they feel good about the company's future? The company practices open-book management and offers financial training for employees, not to mention the ability to telecommute no questions asked and get paid for their volunteer time.