Call the Texas Municipal Retirement System or TMRS at 1.800. 924.8677 to request your personalized retirement estimate.A retirement savings plan is a "musthave" benefit for nonprofits to attract top talent. But setting up or changing a plan can be confusing. The IRS provides the following additional resources for taxexempt organizations interested in establishing retirement plans for employees. Our team has years of experience helping clients with retirement planning, investment management, financial advice, estate planning, and insurance. GENERAL INFORMATION: Use this form to claim property tax exemptions pursuant to Tax Code Section 11.18 for property owned on Jan. Nonprofits have a wide array of retirement plan options to support their employees' financial futures, from 403(b) and 457(b) plans to SEP IRAs and SIMPLE IRAs. Teacher Retirement System (TRS). With over 8.2 million participants in the nonprofit space, spanning 5 generations, our tools can meet your employees where they are.⁴.