Professional association promoting academic and professional research, criticism, teaching, practical use, and exchange of principles and theories of human communication.

CSCA, a not-for-profit corporation, unites persons in the Central States area with an academic or professional interest in all disciplines of communication at all educational levels, for the promotion of their mutual interests and the advancement of their common field.

ECA was initially established in 1910 and continues as the oldest professional communication association in the United States. It is dedicated to excellence in all facets of communication, including research, criticism, communication theory, and teaching.

International association for scholars interested in the study, teaching and application of all aspects of human mediated communication.

Formerly the European Speech Communication Association, ISCA's main goal is "to promote Speech Communication Science and Technology, both in the industrial and Academic areas", covering all the aspects of Speech Communication (Acoustics, Phonetics, Phonology, Linguistics, Natural Language Processing, Artificial Intelligence, Cognitive Science, Signal Processing, Pattern Recognition, etc.)

Scholarly society enhancing the research, teaching, and service produced by its members on topics of both intellectual and social significance in the academic discipline of communication.

SSCA's purpose is to promote the study, criticism, research, teaching, and application of the artistic, humanistic, and scientific principles of communication.

WSCA's purpose is to unite people in the Western States who have an academic, lay or professional interest in communication and who want to promote their mutual educational interests.