It's Getting Hot in Here Don't bother adjusting your thermostats: It's <i>Entrepreneur</i> and D&B's 9th Annual Hot 100 listing of the fastest-growing new businesses.

While our economy may seem to be in a holding pattern, signs of change are evident in this year's Hot 100 list. Our 9th Annual Hot 100 listing of America's fastest-growing new entrepreneurial companies is compiled with assistance from D&B, the leading provider of global business information and technology solutions. What's changed since last year?

This year's hottest industry is business services: 25 of the 100 companies listed fall into this category. Within business services, a couple of subcategories stand out: There are nine companies providing logistics services (such as freight-handling, trucking and transportation) and six providing marketing and advertising services.

Find out more about the companies that ranked at the top of our Hot 100 list here.