Business: Manufactures heating and cooling products to keep temperatures in a dog's kennel at a comfortable level.
Founded: 2002
Headquarters: Big Lake, Minn.
Websites: www.houndheater.com and www.houndcooler.com
Executives: Founder Mike Hill
Employees: 3
2009 revenue: $306,000
Quote: "I can't count the times I've had the door slammed in my face, been hung up on and even been told by an agent for a major outdoor retail chain, 'You're a [bleeping] idiot.'" — Hill, talking about his efforts to get his business going