- Is Ies Research Institute a tax-exempt 501(c)(3)?
- Yes — Ies Research Institute is recognised by the IRS as a 501(c)(3) organisation (EIN 88-3461680). The IRS recognised Ies Research Institute as tax-exempt in December 2025.
- What is Ies Research Institute's EIN?
- Ies Research Institute's Employer Identification Number (EIN) is 88-3461680. The EIN was assigned by the IRS in December 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Ies Research Institute do?
- Ies Research Institute is registered with the IRS as a uncategorized nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Ies Research Institute located?
- Ies Research Institute is located at 4835 LBJ FWY STE 900, Dallas, TX, 75244-6001.
- When was Ies Research Institute founded or recognised by the IRS?
- Ies Research Institute was recognised by the IRS as a tax-exempt organisation in December 2025. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
