Our office provides help with SBA services including funding programs, counseling, federal contracting certifications, and disaster recovery. Filling out SBA For 413 is an important step in applying for an SBA loan.Here's how to fill out SBA Form 413 and the information you need. Need funding for your small business? Learn about SBA loans. Great Lakes Credit Union, a prominent small business lender in Chicago, IL, can help you with the loan application process. How to apply for an SBA loan: 1. Choose the right SBA loan. 2. Learn tips and tricks in this part 2 of how to prepare your documentation for the SBA 7(a) loan. Come prepared with these documents.