Hoping to hear from somebody who has experience or has successfully obtained an SBA as a resident/non-resident alien. In speaking with different lenders, they are aware of the possibility but have never seen it executed.

According to the SBA SOP (Standard Operating ProceduresredactedK), Chapter 2, Section B, subsection 3, "Legal Alien Status", it states that:
"An applicant who is not a U.S. citizen or Resident Alien may be eligible for an SBA-guaranteed loan if the individual is a lawfully-admitted permanent resident of the United States, and it can be demonstrated that the individual is authorized to work in the United States as evidenced by the USCIS Form I-551 (Lawful Permanent Resident Card), and is otherwise eligible under the provisions of this SOP.
An applicant who is not a U.S. citizen or Resident Alien may also be eligible for an SBA-guaranteed loan if the individual is in the United States on a valid visa and otherwise eligible under the provisions of this SOP. Visas eligible for SBA loan purposes are the E-2 Treaty Investor Visa and the E-1 Treaty Trader Visa."