A&P Mechanic at your local airport to fix the engines on airplanes. You need to be high school educated at least and once you join you will be trained by the FAA for 18 months before you go into field work.
There are plenty of jobs you can get without a college diploma. It just depends on your drive as to how successful you will be. In fact a lot of the millionaires in the US have made their money paving roads and pouring concrete. Managers are on the top of that list, and believe it or not, doctors, dentists, and attorneys are on the bottom. Not saying dont go to college, but you can still be very successful wo/ a degree.
If you have skills in marketing and you are Outgoing and have energetic attitude , you can be a call center agent. Or If you have a budget you can start your own business. Like a call center . Start searching for a business outsourcing company , choose a trusted company that will help you to start your own business. Try with http://www.globalteleforce.com