Other possibilities to obtain a business loan are commercial alternative lenders such as lending tree, or national lending, or peer to peer lenders, but you should expect all these loans to carry higher interest rates and fees.
Another way of obtaining a business acquisition loan is forming a venture capital, this being an option for a larger business with certain proven activity for a number of years and a very good projection of profit for the future.
The last resort will be to borrow from relatives or friends or borrow from your 401k retirement savings. These sources are not recommended since they present a high risk of loosing your friends or causing a break up within the family.
To conclude, having your own business is a big responsibility and in order to be successful you will need to be very knowledgeable not only in your line of business, but in the financial aspects of running a business.
At start up you will need to have a product, if necessary, you will need to protect it with a patent (either a utility patent, or a design patent, or a plant patent) in order to protect it from others interested to copy it, you will need a business plan and you will need to take into consideration all the costs of running the business, as a minimum, but not limited to, the cost of renting a space, the cost of utilities, the cost of materials, the cost of setting up shop (equipment, furniture, cars), the cost of insurance, the cost of salaries, taxes, etc.
When attempting to secure a loan, you should be ready to fill in the required application and have ready all the information regarding your present business situation, such as the profit and loss monthly log, the cash flow, the business assets, the present available cash in the bank, the merchandise ordered and paid for. Also, for a good application, you should have a projection of future sales and cash flow for the next six months, next year, next 2 years, next 3 years.
A good procedure to obtain the best rate loan is to approach many banks at the same time, the Small Business Administration and other private lenders and analyze their offers in detail and select the one that best suits your business.
If nothing else works and you still believe you have a great business which soon will succeed on a large scale you should try to appear on Shark Tank, where money are lent, but in most cases a percentage of the business is retained by the Shark lender besides the amount of the loan that needs to be paid back.
Good luck to you, all of the above are not intended to scare you, but to give you a few insights of what you can expect when you open up your business and need additional funding and where can you get help obtaining a small business loan.