What's the best way to get a job as an electrician or heavy equipment operator?

I wanted to start a job as an Apprentice Electrician or a Heavy Equipment Operator. There are no unions here in Denver that I can find for either career. I don't have any inside connections, and I don't have a college education. I have tried Craigslist but most companies want someone with experience. So, how do I get experience if I need experience to get experience? Thanks for your help with either electrical or heavy equipment.