America's 10 Fastest Growing Private Companies

Courtesy Company
10 of 11

Astrum Solar

Vadim Polikov, Founder and CEO
Annapolis Junction, Md.

No. 2
2011 Revenue: $26.9 million
Three-Year Growth: 23,577%

Vadim Polikov founded Astrum Solar in 2007 to fill a simple need: give homeowners access to solar-powered energy. "Lots of politicians and companies talked about (solar power), but nobody was actually doing it," Polikov says. Now, Astrum Solar serves homes in 12 states and is the largest residential solar panel provider in Massachusetts. The company more than tripled its customer base over the past year, mostly because customers typically receive a 20% return on investment on their purchase, he says.