These individuals and organizations sponsored awards at EISEF 2019:
- Alan B. Adams Inspiring Excellence
- American Meteorological Society
- American Psychological Association
- ASM Materials Education Foundation
- Association for Women Geoscientists
- Broadcom Masters
- Cargill Industries
- Cedar Rapids Audubon Society
- Cedar Valley Amateur Radio Club / Collins Amateur Radio Club
- Cedar Valley Rock and Mineral Society
- Genius Olympiad
- Institute of Electrical & Electronic Engineers
- Intel Computer Science
- Iowa Water Environmental Association
- Lemelson Early Inventor Prize
- Mu Alpha Theta
- NASA Earth System Science Award
- National Oceanic and Atmospheric Administration
- NextEra Energy
- Ricoh Corporation
- Society for In Vitro Biology
- US Air Force
- US Metric Association
- US Navy and Marine Corps
- Water Environment Federation
- Yale Science & Engineering Association