In 1954, Delta Zeta adopted Gallaudet University as its national philanthropy.  Gallaudet is the only university in the world devoted exclusively to the deaf.  Delta Zeta furnished and maintains the Edward Miner Gallaudet Memorial Library and contributes to the Delta Zeta-Gallaudet Endowment Scholarship for hearing impaired students.  More than $12,000 in Delta Zeta scholarships are awarded annually to Gallaudet students.  Furthermore, in 1995, the Delta Zeta Dance Studio at Gallaudet University was dedicated.

At the 1983 Convention, the House Ear Institute in Los Angeles, dedicated to research and training ear specialists in newer methods of diagnosis and treatment, was added as another philanthropy benefactor.  The Parents Conference Room at the institute was furnished by Delta Zeta.  Our sorority also gives funds for research and clinical services in the Children's Auditory and Research Center at the institute.

Most recently, Nationals unveiled a new philanthropy called Sound Beginnings, a program which raises awareness for newborn hearing screenings and promotes early intervention when hearing loss is identified. Delta Zeta collegians and alumnae are now providing informational brochures and videos to local organizations that work with mothers and infants.