After all, they want you to use their product and therefore have an interest in helping you be successful. Some states have small business financing authorities that issue tax-exempt development bonds that be used to finance land, buildings and equipment for manufacturing businesses. Check with your local government office for details. If you quit you employment, the loan must be repaid immediately. If you don't the amount borrowed is treated as an early distribution and is taxable.
Many foundations provide funding in the form of grants.
These should be used with care because of the excessively high rates of interest usually charged. Remember that many of these loan ideas will require you to sign a personal guarantee. This means that regardless of what happens to your business, you are personally liable for the repayment of the loan amount. Think carefully before signing.