I did research to find tech companies in my area, picked a dozen that looked like a reasonably good fit, and sent them a cover letter. Marketable skills should

I did research to find tech companies in my area, picked a dozen that looked like a reasonably good fit, and sent them a cover letter. Marketable skills should get you a few bites -- some people may call/meet you even if they aren't hiring, which can help you gather information.