The society aims to bring together horn players, educators, and enthusiasts from around the world to share knowledge and experience.

[1] The society's activities include holding workshops, lectures, and seminars that are open to the public, publishing a journal and newsletters that feature materials related to the horn.

[2][3] According to the academic Erin Mullen, writing in 2004, the society's efforts to encourage composition, "along with the more personal endeavors of a few enterprising composers, have greatly increased the number of high-quality works written for the horn in recent years".

[3] It holds an annual symposium, and publishes a journal, The Horn Call.

The society also works closely with music teachers and presents honors and recognition for distinctive service relating to the horn.