Hathor Associates principals and associates have provided professional services to nonprofit organizations including
- Academy of Vocal Arts, Philadelphia, PA
- American Academy of Pediatrics, Maryland Chapter, Baltimore, MD
- Arts Magnet High School for Performing and Visual Arts, Dallas, TX
- Baltimore City Life Museums, Baltimore, MD
- Baltimore New Directions for Women/ Maryland New Directions, Baltimore, MD
- Baltimore Opera Company, Baltimore, MD
- Citizens Planning and Housing Association, Baltimore, MD
- Dravet.org, Minneapolis, MN
- Friends of the Family, Baltimore, MD
- Event Safety Alliance, Wilmington, NC
- Handel Choir of Baltimore Baltimore, MD
- Havre de Grace Bicentennial Festival, Havre de Grace, MD
- Illuminating Engineering Society, New York, NY
- International Association of Fairs & Expositions Education Foundation, Springfield, MO
- Maryland Food Bank, Baltimore MD
- Maryland Writers’ Association, Annapolis, MD
- National Family Caregivers Association, Kensington, MD
- Olney Theatre Center for the Arts, Olney, MD
- Opera Vivente!, Baltimore, MD
- Opera Omaha, Omaha, NE
- Planned Parenthood of Maryland, Baltimore, MD
- Port Discovery Children’s Museum, Baltimore, MD
- SMPTE (Society of Motion Picture and Television Engineers), White Plains, NY
- SOAR!, Silver Spring, MD
- Summer Opera Theatre Company, Washington, DC
- University of Maryland Medical Systems Foundation, Baltimore, MD
- Spotlighters Theatre, Baltimore, MD
- Theater of Nations, International Theater Festival, Baltimore, MD
- USITT (United States Institute for Theatre Technology), Syracuse, NY