Nonprofits Insurance Alliance (NIA) is a 501(c)(3) nonprofit insurance provider Nonprofits Insurance Alliance is a group of 501(c)(3) nonprofit, tax-exempt insurers whose purpose is to serve 501(c)(3) tax-exempt nonprofit organizations by providing a stable source of reasonably priced liability insurance tailored to the specialized needs of the nonprofit sector and to assist these organizations to develop and implement successful loss control and risk management programs.