Are non-public companies, such as a small business, required to have audit committees that represent outside stakeholders

Question:

Are non-public companies, such as a small business, required to have audit committees that represent outside such as banks or other lending institutions? Distinguish between small privately-held businesses and larger privately-held businesses that operate in a broader public domain.

Stakeholders
A person, group or organization that has interest or concern in an organization. Stakeholders can affect or be affected by the organization's actions, objectives and policies. Some examples of key stakeholders are creditors, directors, employees,...