1. Check out our angel directory. It's organized by geographic area and includes contact information for the angel groups.
  2. Tap self-directed IRAs. Individual retirement accounts can be invested in privately held companies, as long as you follow the proper regulations. A 2007 Inc. story explains how to do it.
  3. Think outside the bank. Look into city and state economic development funds, which often have money for expanding companies. Look for local business incubators or nonprofits, such as JumpStart in Cleveland, that have funds for start-ups.
  4. Explain your industry. For tips on how to educate your banker about your industry, read an Inc.com column by banker and small-business coach Dima Berdiev.